M:tG card similarity search
3R · Instant — Arcane
Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Roiling Terrain | 2RR | Sorcery | Destroy target land, then Roiling Terrain deals damage to that land's controller equal to the number of land cards in that player's graveyard. |
| The Watcher in the Water | 3UU | Legendary Creature — Kraken | The Watcher in the Water enters the battlefield tapped with nine stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Whenever you draw a card during an opponent's turn, create a 1/1 blue Tentacle creature token. Whenever a Tentacle you control dies, untap up to one target Kraken and put a stun counter on up to one target nonland permanent. 9/9 |
| Char | 2R | Instant | Char deals 4 damage to any target and 2 damage to you. |
| Psionic Blast | 2U | Instant | Psionic Blast deals 4 damage to any target and 2 damage to you. |
| Friendly Fire | 3R | Instant | Target creature's controller reveals a card at random from their hand. Friendly Fire deals damage to that creature and that player equal to the revealed card's mana value. |
| Thief of Blood | 4BB | Creature — Vampire | Flying As Thief of Blood enters the battlefield, remove all counters from all permanents. Thief of Blood enters the battlefield with a +1/+1 counter on it for each counter removed this way. 1/1 |
| Trade Secrets | 1UU | Sorcery | Target opponent draws two cards, then you draw up to four cards. That opponent may repeat this process as many times as they choose. |
| Avacyn, the Purifier | Legendary Creature — Angel | Flying When this creature transforms into Avacyn, the Purifier, it deals 3 damage to each other creature and each opponent. 6/5 | |
| Mistway Spy | U | Creature — Merfolk Detective | Flying Disguise {1}{U} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Mistway Spy is turned face up, until end of turn, whenever a creature you control deals combat damage to a player, investigate. 1/1 |
| Lozhan, Dragons' Legacy | 3UR | Legendary Creature — Dragon Shaman | Flying Whenever you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander. 4/2 |