MTGNexus

Extraplanar Reinforcements 3GW
Sorcery
Create a 1/1 colorless Spirit Soldier creature token for each card you control in exile, then you gain 1 life for each card you don't control in exile.
Foretell 1GW, Exile two cards from your graveyard

Next: BG spore counters

Mycological Miracle BG
Instant
If you have at least 3 or more spore counters on permanents you control, you may cast this spell without paying its mana cost.
Proliferate, then populate.

Next: WU defender

Bastion of Knowledge UW
Creature - Wall
Defender
Whenever a creature you control with Defender blocks, draw a card.
0/4

Next: WG Storm

Gavony Firstborn GW
Creature -- Human
Vigilance
Green and white spells you cast cost 1 less to cast.
2/2

Next: GU combat tricks

First Form: Agility -- XUG
Instant {U}
Choose one, two, or three:
* Target creature gets +X/+0 until end of turn;
* Target creature gets -X/-0 until end of turn;
* Switch target creature's base power and toughness until end of turn.

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Next: UB Revealing cards in hand

Telepathic Torment 1UB
Enchantment
Whenever a creature you control deals combat damage to a player, that player reveals their hand.
At the beginning of each end step, if an opponent revealed three or more cards in their hand this turn, they lose 2 life and exile the top card of their library.

Next: BR Heroic

Azra Liberator 2BR
Creature - Azra Rebel
Lifelink
Heroic — Whenever you cast a spell that targets Azra Liberator, target creature you don't control can't block this turn, then you may draw a card. If you do, you lose 2 life.
"He sits and parties while the people suffer from his greed. Not anymore."
3/3

Next: RG Awaken

Akoum Animist RG
Creature - Human Shaman
Creatures you control that are also lands get +2/+2 and have menace.
Awaken 2 - 2RG
2/2

Next: BG Lure

Gristle-Fen Boar -- 2BG
Creature - Boar
Slight (This creature's abilities can only be activated or triggered once each turn.)
2: Gristle-Fen Boar must be blocked by each creature if possible.
BB: Put a -1/-1 counter on each creature blocking Gristle-Fen Boar.
GG: Put a +1/+1 counter on Gristle-Fen Boar for each creature blocking it.
2/2
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Next: GR Losing fights

Warriors' Remembrance RG
Enchantment
Whenever a non-token creature you control dies, create a 1/1 colorless Spirit creature token. If that creature died because it lost a fight, draw a card and create a Treasure token. (A creature loses a fight when it dies and the creature it fought does not die. Both creatures dying from a fight is not considered a loss.)

Next: GW Daunt (can't be blocked by creatures with power 2 or less)

Daunting Rhoxguard 2WG
Creature - Rhino Soldier
Creatures you control with power 2 or less can't be block.
2, Sacrifice Daunting Rhoxguard: Creatures with power 2 or less gain indestructible until the end of turn.
3/3

Next: WR Daunt (can't be blocked by creatures with power 2 or less)

Because I really like this mechanic

Twin Fist Battlelord 2RW
Creature - Kor Warrior
When Twin Fist Battlelord enters the battlefield, create a 1/1 red Goblin creature token.
Twin Fist Battlelord can't be blocked by creatures with power 2 or less.
RW: Target creature has base power 2 until end of turn.
4/2

Next: UR Dragon tribal

Wakeflame Shaman -- 2UR
Creature - Human Shaman
Dragon creatures you control have prowess.
Whenever a Dragon creature you control deals three or more damage to a creature or player, draw a card.
2/2
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Next: WR: Creatures that aren't equipped or enchanted

Cyclops Brutalist 1RW
Creature - Cyclops Berserker
Double strike, menace, protection from equipment and from auras you control
His singular eye and brain discard weaponry and ward alike.
3/1

Next: WU Looting

Alert Hussar 1WU
Creature - Vedalken Knight
When Alert Hussar enters the battlefield, scry 2.
Whenever you draw a card, you gain 1 life.
Whenever you discard a card, Alert Hussar gets +1/+0 until end of turn.
1/4

Next: GU Faeries

Leaf-Clad Guardian 1GU
Creature - Faerie
Flying
1G: Target Faerie gets +2/+2 until end of turn. Activate this ability only once each turn and only during your turn.
1U: Target Faerie gains hexproof until end of turn. Activate this ability only once each turn and only if it isn't your turn.
3/1

Next: GW landfall

Selesnya Ranger 1GW
Creature - Elf Shaman
Return a Forest you control to its owner's hand: Untap target creature. Activate this ability only once each turn.
Return a Plains you control to its owner's hand: Tap target creature. Activate this ability only once each turn.
2/3

Next: BR having more power than toughness matters

Bacha Swordsong - BR
Creature - Human Bard Soldier
B or R: Bacha Swordsong gets +1/+0 until end of turn.
As long as Bacha Swordsong's power is greater than its toughness, it has menace.
1/3
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Next: UG: Flying and Reach

Arachnovalkyrion 3GU
Creature - Spider Angel Mutant
Flying
Other creatures you control with flying get +1/+0 and have ward 1.
Other creatures you control with reach get +0/+1 and have vigilance.
1GU: Put a flying or reach counter on target creature you control.
2/4

Next: WB Food

Feast of the Fallen 1WB
Enchantment
Flash
When Feast of the Fallen enters the battlefield, create a Food token for each creature that died this turn.
Whenever you sacrifice a Food token, each opponent loses 2 life.

Next: UB Clues

Curious Familiar UB
Creature - Bird
Flying
Activated abilities of Clues you control cost 1 less to activate.
XXX, t: Investigate X times.
2/1

Next: RG "Stalking" (can't be blocked by more than one creature)

Undergrowth Prowler1gr
Creature - Cat
Stalking (this creature can't be blocked by more than one creature)
Whenever a creature you control becomes blocked by only one creature, it gets +1/+0 and first strike until end of turn.
3/2

Next: wr for Connive

Pardic Pillager 2RW
Creature - Barbarian Warrior
First strike
Whenever a creature you control deals combat damage to a player, it connives.
0: Destroy target artifact, enchantment, or nonbasic land. Activate only once per turn and only if you've connived three or more times this turn.
3/3

Next: BG Auras

Luminous Lichen -- 1GB
Enchantment - Aura
Enchant player
At the beginning of your end step, you gain 1 life for each Aura enchanting you. Each other player loses 1 life for each Aura enchanting them.
Each creature you control gets +1/+0 for each Aura enchanting it.
Each creature you don't control gets -0/-1 for each Aura you control enchanting it.
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Next: -- BR Atogs

Sanguitog 3BR
Creature - Vampire Atog
Whenever you sacrifice a permanent, you may pay 3. If you do, Sanguitog gets +2/+2 until end of turn and you gain 1 life.
2/3

Next: WU flash