M:tG card similarity search
2U · World Enchantment
Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Reflecting Mirror | 4 | Artifact | {X}, {T}: Change the target of target spell with a single target if that target is you. The new target must be a player. X is twice the mana value of that spell. |
| Stormkeld Prowler | 1U | Creature — Human Rogue | Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on Stormkeld Prowler. 2/1 |
| Checks and Balances | 2U | Enchantment | Cast this spell only if there are three or more players in the game. Whenever a player casts a spell, each of that player's opponents may discard a card. If they do, counter that spell. |
| Scattering Stroke | 2UU | Instant | Counter target spell. Clash with an opponent. If you win, at the beginning of your next main phase, you may add an amount of {C} equal to that spell's mana value. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) |
| Cloudhoof Kirin | 3UU | Legendary Creature — Kirin Spirit | Flying Whenever you cast a Spirit or Arcane spell, you may have target player mill X cards, where X is that spell's mana value. 4/4 |
| Deekah, Fractal Theorist | 4U | Legendary Creature — Human Wizard | Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is that spell's mana value. {3}{U}: Target creature token can't be blocked this turn. 3/3 |
| Marvo, Deep Operative | 3UB | Legendary Creature — Octopus Rogue | Whenever Marvo, Deep Operative attacks, clash with defending player. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) Whenever you win a clash, draw a card. Then you may cast a spell from your hand with mana value 8 or less without paying its mana cost. 1/8 |
| Ricochet Trap | 3R | Instant — Trap | If an opponent cast a blue spell this turn, you may pay {R} rather than pay this spell's mana cost. Change the target of target spell with a single target. |
| Common Courtesy | 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. |
| Saruman of Many Colors | 3WUB | Legendary Creature — Avatar Wizard | Ward—Discard an enchantment, instant, or sorcery card. Whenever you cast your second spell each turn, each opponent mills two cards. When one or more cards are milled this way, exile target enchantment, instant, or sorcery card with equal or lesser mana value than that spell from an opponent's graveyard. Copy the exiled card. You may cast the copy without paying its mana cost. 5/4 |