M:tG card similarity search
3R · Enchantment
At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.
| Name | Mana | Type | Text |
|---|---|---|---|
| Unnatural Predation | G | Instant | Target creature gets +1/+1 and gains trample until end of turn. |
| Akroan Hoplite | RW | Creature — Human Soldier | Whenever Akroan Hoplite attacks, it gets +X/+0 until end of turn, where X is the number of attacking creatures you control. 1/2 |
| Curse of Death's Hold | 3BB | Enchantment — Aura Curse | Enchant player Creatures enchanted player controls get -1/-1. |
| Faerie Duelist | 1U | Creature — Faerie Rogue | Flash Flying When Faerie Duelist enters the battlefield, target creature an opponent controls gets -2/-0 until end of turn. 1/2 |
| Curse of the Cabal | 9B | Sorcery | Target player sacrifices half the permanents they control, rounded down. Suspend 2—{2}{B}{B} (Rather than cast this card from your hand, you may pay {2}{B}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) At the beginning of each player's upkeep, if Curse of the Cabal is suspended, that player may sacrifice a permanent. If the player does, put two time counters on Curse of the Cabal. |
| Sarevok, Deceitful Usurper | 3UB | Legendary Creature — Human Knight | At the beginning of combat on your turn, target creature you control gets +X/+0 until end of turn, where X is the number of creature, instant, and sorcery cards in your graveyard. 4/4 |
| Mishra's Factory | Land | {T}: Add {C}. {1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly-Worker creature gets +1/+1 until end of turn. | |
| Criminal Past | 2B | Legendary Enchantment — Background | Commander creatures you own have menace and "This creature gets +X/+0, where X is the number of creature cards in your graveyard." (A creature with menace can't be blocked except by two or more creatures.) |
| Chandra's Spitfire | 2R | Creature — Elemental | Flying Whenever an opponent is dealt noncombat damage, Chandra's Spitfire gets +3/+0 until end of turn. 1/3 |
| Rambling Possum | 2G | Creature — Possum Mount | Whenever Rambling Possum attacks while saddled, it gets +1/+2 until end of turn. Then you may return any number of creatures that saddled it this turn to their owner's hand. Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) 3/3 |