Alibi Extractor 2BB Creature — Demon Detective (M) Flying, trample Pay 2 life: Investigate. (Create a colorless Clue artifact token with " 2 , Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, each opponent collects evidence 2. If they can't, they lose 2 life. (To col...

It has been declared so by Alrund himself: the Great Doomskar is coming. A moment where the Realms of Kaldheim all merge together, temporarily existing one atop another, where the great Cosmos Beasts themselves will freely enter. Many see this as an opportunity to gain glory or seize power, but othe...

Undercity Huntmaster 2G Creature — Elf Ranger (R) Landfall — Whenever a land enters the battlefield under your control, cloak the top card of your library. (Put it onto the battlefield face down as a 2/2 creature with ward 2 . Turn it up at any time for its mana cost if it's a creature card.) At th...

Dothraki Bloodriders 1BR Creature — Human Warrior Nomad (R) Squad—[sym=br], Pay 3 life (As an additional cost to cast this spell, you may pay its squad cost any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Battle cry (Whenever this crea...

Made a quick change to Arm to make Weapon a subtype. It has been declared so by Alrund himself: the Great Doomskar is coming. A moment where the Realms of Kaldheim all merge together, temporarily existing one atop another, where the great Cosmos Beasts themselves will freely enter. Many see this as ...

It has been declared so by Alrund himself: the Great Doomskar is coming. A moment where the Realms of Kaldheim all merge together, temporarily existing one atop another, where the great Cosmos Beasts themselves will freely enter. Many see this as an opportunity to gain glory or seize power, but othe...

A series of Omenpaths have opened up in Theros's Underworld, allowing dangerous dead souls, including the Titans Skotha and Phlage, to escape into other planes. Unable to leave the plane themselves, the Gods have tasked their Demigods, lead by Calix, to recapture the Wayward Souls and return them to...

In an alternate timeline, Phyrexia's first invasion of Dominaria was repulsed even before Rath was used as a weapon, leading Evincar Crovax to go rogue and seemingly take Rath out of the multiverse with an advanced flowstone drive. In this timeline, the Mirran Overlay occurs, pitting Mirrodin, the a...

In an alternate timeline, Phyrexia's first invasion of Dominaria was repulsed even before Rath was used as a weapon, leading Evincar Crovax to go rogue and seemingly take Rath out of the multiverse with an advanced flowstone drive. In this timeline, the Mirran Overlay occurs, pitting Mirrodin, the a...

In an alternate timeline, Phyrexia's first invasion of Dominaria was repulsed even before Rath was used as a weapon, leading Evincar Crovax to go rogue and seemingly take Rath out of the multiverse with an advanced flowstone drive. In this timeline, the Mirran Overlay occurs, pitting Mirrodin, the a...

The Doom of Valyria 3RR Enchantment — Saga (R) (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — For each opponent, create a 4/4 red Dragon creature token with flying. II — You may return a creature you control to its owner's hand. If you do, add an amount...

Danaerys Targaryen 3RR Legendary Creature — Human Noble (M) Mother of Dragons — When Danaerys Targaryen enters the battlefield, create Drogon, Rhaegal, and Viserion, three legendary 2/2 red Dragon creature tokens with flying and haste. Dracarys — Whenever Danaerys attacks, put a +1/+1 counter on ea...

Virulent Krasis XGG Creature — Basilisk Hydra (M) Virulent Krasis enters the battlefield with X +1/+1 counters on it. If damage would be dealt to Virulent Krasis whilst it has a +1/+1 counter on it or if it would be destroyed whilst it has a +1/+1 counter on it, remove a +1/+1 counter from it inste...

Flickerblight Geode 2C Legendary Artifact ( R ) [sym=t]: Exile target creature, then return it to the battlefield under its owner's control. That creature enters the battlefield with two -1/-1 counters. Activate only as a sorcery. One touch will send a person flying through the Blind Eternities, on...

Aether Hoarder BB Creature — Aetherborn Vampire (U) Lifelink Whenever you gain life, you get [sym=e] (an energy counter). Pay [sym=e][sym=e][sym=e]: Aether Hoarder gains indestructible until end of turn. Tap it. "They say you can't take it with you. I say don't expect me to leave it behind.&qu...

For the balance section/rating the cards/combo in a play environment, is the assumption that the cards are in the same set for the purposes of limited? Do we need to design the cards with the idea that they're from the same set?

Who knows, maybe it was a trap and I never expected to see a card that would do it correctly? If this is the case then I really don't like this. What does this accomplish? Like void_nothing said, this feels like we're being tricked rather than challenged, and I don't appreciate it. If I see a subch...

That's the problem with most cards this round. You all wanted to push "you win the game" at uncommon just to meet the Subchallenge, but the resulting cards still needed to be rare. That's what happens when you try to force a Subchallenge into your design, you end up losing more in other a...

Fblthp, Lost in the Jungle GU Legendary Creature — Homunculus When Fblthp, Lost in the Jungle enters the battlefield or whenever you cast a spell from anywhere other than your hand, create a Map token. Delirium — You may cast this spell from your graveyard long as there are four or more card types ...

Simic Haematologist GU Creature — Elf Ooze Cleric When Simic Haematologist enters the battlefield or when a creature you control with a +1/+1 counter on it dies, create a Blood token. (It's an artifact with " 1, T , Discard a card: Draw a card." 1, T, Sacrifice a Blood: Choose target crea...

Makindi Greathart 1GW Creature — Elk You may play an additional land on each of your turns. Landfall — Whenever a land enters the battlefield under your control, Makindi Greathart gets +1/+1 until end of turn. You gain 1 life. Zendikar holds many breathtaking sights, but none so wondrous as it. 2/3...

In an alternate timeline, Phyrexia's first invasion of Dominaria was repulsed even before Rath was used as a weapon, leading Evincar Crovax to go rogue and seemingly take Rath out of the multiverse with an advanced flowstone drive. In this timeline, the Mirran Overlay occurs, pitting Mirrodin, the a...

Belrig, Daring Cartographer 1G Legendary Creature — Gnome Ranger (U) Whenever Belrig, Daring Cartographer enters the battlefield or attacks, create a Map token. (It's an artifact with " 1, T , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.") Whe...

Search for the Coin Empire 3W Enchantment — Saga (M) (As this Saga enters and after your draw step, add a lore counter.) I — Create two Map tokens and a Treasure token. II — Return up to one target permanent card from your graveyard to the battlefield with a finality counter on it. III — If there a...

Main Challenge - Design a battle, enchantment, or planeswalker card that has an activated ability that directly causes a creature you control to explore. (Here, "directly" means by saying explicitly "[creature] explores" and NOT by using an intermediate means like Map tokens for...