Weighted Trap clearly is meant to have the Trap type so added.
Ngasama is a world of labyrinths - mighty wizards here like to build massive stone mazes full of monsters and deadly traps to make sure greedy adventurers won't take their treasures. However, the robberies happen surprisingly often - which makes other wizards to try even harder to protect their treasures.
Chamber - ???
Treasure
Traps
Serpent
• Token Creature - Serpent (S)
5/5
Threaten the Builders 2r
Sorcery (C)
Target creature can't block this turn. Its controller can't play Chamber cards until your next turn.
"A deal?" – Tabitha Barrentine
Daring Heist 4R
Sorcery (C)
Destroy target land and create a Treasure token.
Weighted Trap 2GG
Instant - Trap (C)
If an opponent had 2 or more Treasure tokens enter the battlefield this turn, you may pay 1G rather than pay this spell's mana cost.
Destroy target artifact. If there's a green Chamber on the battlefield, destroy two target artifacts instead.
Steady... Steaaaaaady...
Wary Mazeguide 1W
Creature - Human Scout
Whenever a creature enters the battlefield, you may remove Wary Mazeguide from combat if it's attacking or blocking.
2/2
Common 5 of 9 (DFC at the end):
Heated Den 3R
Enchantment - Monster's Chamber (C)
Lurk
(When this enchantment enters the battlefield, you may exile a card from your hand face down until it leaves the battlefield. If a pounce ability caused you to sacrifice this enchantment and the card is a creature card that shares a color with this enchantment, you may reveal it and cast it without paying its mana cost.)
Pounce - At the beginning of your end step, if sources you control dealt combat damage to a permanent and a player this turn, you may sacrifice Heated Den. If you do, it deals 3 damage to any target.
"Not pleasant even for me." - Annyt, flamekin adventurer
Path of Mist UB
Enchantment - Hazard's Chamber (C)
Wandering
(At the beginning of your upkeep, this enchantment's owner gains control of it.)
When Path of Mist enters the battlefield, creatures you control get -2/-1 until end of turn.
If a spell that targets a creature you control would resolve, instead counter that spell unless its controller pays 2 life.
3UB: Exile Path of Mist, then return it to the battlefield under target player's control. Activate this ability only if you own Path of Mist.
Few exit the Choking Corridor of Vadalin mire.
Earthbound Imp BB
Creature - Imp (C)
BB: Earthbound Imp gets +2/-2 until end of turn.
"I swear if another one of those mites of hell dismantles one of my revenants again, I'll have to unsummon the whole lot of them." - Kaanwalt, Vadalin necro-illusionist
1/3