M:tG card similarity search
2UU · Enchantment
Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.
| Name | Mana | Type | Text |
|---|---|---|---|
| The Face of Boe | 1URW | Legendary Creature — Alien Advisor | {T}: You may cast a spell with suspend from your hand. If you do, pay its suspend cost rather than its mana cost. Activate only as a sorcery. 0/4 |
| Exert Influence | 4U | Sorcery | Converge — Gain control of target creature if its power is less than or equal to the number of colors of mana spent to cast this spell. |
| Damping Engine | 4 | Artifact | A player who controls more permanents than each other player can't play lands or cast artifact, creature, or enchantment spells. That player may sacrifice a permanent for that player to ignore this effect until end of turn. |
| Staff of the Wild Magus | 3 | Artifact | Whenever you cast a green spell or a Forest enters the battlefield under your control, you gain 1 life. |
| Void Winnower | 9 | Creature — Eldrazi | Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values. 11/9 |
| Triumphant Getaway | 1UBR | Enchantment | Flash When Triumphant Getaway enters the battlefield, heist target opponent's library twice. Whenever you cast a spell you don't own, each opponent loses 2 life and you gain 2 life. |
| Gatstaf Ravagers | Creature — Werewolf | Menace (This creature can't be blocked except by two or more creatures.) At the beginning of each upkeep, if a player cast two or more spells last turn, transform Gatstaf Ravagers. 6/5 | |
| Moonrise Intruder | Creature — Werewolf | Menace (This creature can't be blocked except by two or more creatures.) At the beginning of each upkeep, if a player cast two or more spells last turn, transform Moonrise Intruder. 2/2 | |
| Staff of the Flame Magus | 3 | Artifact | Whenever you cast a red spell or a Mountain enters the battlefield under your control, you gain 1 life. |
| Branded Howler | Creature — Werewolf | At the beginning of each upkeep, if a player cast two or more spells last turn, transform Branded Howler. 4/4 |