M:tG card similarity search
UUUU · Enchantment
Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Powder Keg | 2 | Artifact | At the beginning of your upkeep, you may put a fuse counter on Powder Keg. {T}, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg. |
| Power Struggle | 2UUU | Enchantment | During each player's upkeep, that player exchanges control of random target artifact, creature or land he or she controls, for control of random target permanent of the same type that a random opponent controls. |
| Aegar, the Freezing Flame | 1UR | Legendary Creature — Giant Wizard | Whenever a creature or planeswalker an opponent controls is dealt excess damage, if a Giant, Wizard, or spell you controlled dealt damage to it this turn, draw a card. 3/3 |
| Corrupted Grafstone | 2 | Artifact | Corrupted Grafstone enters the battlefield tapped. {T}: Choose a color of a card in your graveyard. Add one mana of that color. |
| Sirocco | 1R | Instant | Target player reveals their hand. For each blue instant card revealed this way, that player discards that card unless they pay 4 life. |
| Steelclad Serpent | 5U | Artifact Creature — Serpent | Steelclad Serpent can't attack unless you control another artifact. 4/5 |
| Fiddlehead Kami | 4G | Creature — Spirit | Whenever you cast a Spirit or Arcane spell, regenerate Fiddlehead Kami. 3/3 |
| Diseased Vermin | 2B | Creature — Rat | Whenever Diseased Vermin deals combat damage to a player, put an infection counter on it. At the beginning of your upkeep, Diseased Vermin deals X damage to target opponent previously dealt damage by it, where X is the number of infection counters on it. 1/1 |
| Fruit of the First Tree | 3G | Enchantment — Aura | Enchant creature When enchanted creature dies, you gain X life and draw X cards, where X is its toughness. |
| Vigor Mortis | 2BB | Sorcery | Return target creature card from your graveyard to the battlefield. If {G} was spent to cast this spell, that creature enters the battlefield with an additional +1/+1 counter on it. |