M:tG card similarity search
5BR · Legendary Creature — Human Shaman
Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target. 5/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Kentaro, the Smiling Cat | 1W | Legendary Creature — Human Samurai | Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) You may pay {X} rather than pay the mana cost for Samurai spells you cast, where X is that spell's mana value. 2/1 |
| Refraction Elemental | Creature — Elemental | Ward—Pay 2 life. Whenever you cast a spell, Refraction Elemental deals 2 damage to each opponent. 4/4 | |
| Yuan-Ti Scaleshield | 2G | Instant | Permanents you control gain hexproof and indestructible until end of turn. Seek a creature card if an opponent has cast a spell with mana value 3 or less this turn. |
| Pyroconvergence | 4R | Enchantment | Whenever you cast a multicolored spell, Pyroconvergence deals 2 damage to any target. |
| Call from the Grave | 2B | Sorcery | Put a random creature from a random graveyard into play under your control. Call from the Grave deals to you an amount of damage equal to that creature's casting cost. |
| A-Nashi, Moon Sage's Scion | 1BB | Legendary Creature — Rat Ninja | Ninjutsu {2}{B} ({2}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Nashi, Moon Sage's Scion deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost. 3/2 |
| Celestial Kirin | 2WW | Legendary Creature — Kirin Spirit | Flying Whenever you cast a Spirit or Arcane spell, destroy all permanents with that spell's mana value. 3/3 |
| Mana Maze | 1U | Enchantment | Players can't cast spells that share a color with the spell most recently cast this turn. |
| TARDIS Bay | Plane — Gallifrey | The first spell you cast during each of your turns with mana value 2 or greater has cascade. (When you cast that spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) When chaos ensues, gain control of target artifact. Then planeswalk. | |
| Presence of the Master | 3W | Enchantment | Whenever a player casts an enchantment spell, counter it. |