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 |
|---|---|---|---|
| Paradox Haze | 2U | Enchantment — Aura | Enchant player At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step. |
| Might of Old Krosa | G | Instant | Target creature gets +2/+2 until end of turn. If you cast this spell during your main phase, that creature gets +4/+4 until end of turn instead. |
| Jamming Device | Artifact — Contraption | Whenever you crank Jamming Device, creatures target player controls get -1/-1 until end of turn. | |
| Night Incarnate | 4B | Creature — Elemental | Deathtouch When Night Incarnate leaves the battlefield, all creatures get -3/-3 until end of turn. Evoke {3}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.) 3/4 |
| Malicious Eclipse | 1BB | Sorcery | All creatures get -2/-2 until end of turn. If a creature an opponent controls would die this turn, exile it instead. |
| Stronghold Taskmaster | 2BB | Creature — Giant Minion | Other black creatures get -1/-1. 4/3 |
| Mirkwood Trapper | 1GU | Creature — Elf Scout | Whenever a player attacks you, target attacking creature gets -2/-0 until end of turn. Whenever a player attacks, if they aren't attacking you, that player chooses an attacking creature. It gets +2/+0 until end of turn. 1/4 |
| Cabal Trainee | B | Creature — Human Minion | Sacrifice Cabal Trainee: Target creature gets -2/-0 until end of turn. 1/1 |
| Curse of Thirst | 4B | Enchantment — Aura Curse | Enchant player At the beginning of enchanted player's upkeep, Curse of Thirst deals damage to that player equal to the number of Curses attached to them. |
| Colossal Growth | 1G | Instant | Kicker {R} (You may pay an additional {R} as you cast this spell.) Target creature gets +3/+3 until end of turn. If this spell was kicked, instead that creature gets +4/+4 and gains trample and haste until end of turn. |