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 |
|---|---|---|---|
| Red Dragon | 4RR | Creature — Dragon | Flying Fire Breath — When Red Dragon enters the battlefield, it deals 4 damage to each opponent. 4/4 |
| Ezio Auditore da Firenze | 1B | Legendary Creature — Human Assassin | Menace Assassin spells you cast have freerunning {B}{B}. (You may cast a spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Whenever Ezio deals combat damage to a player, you may pay {W}{U}{B}{R}{G} if that player has 10 or less life. When you do, that player loses the game. 3/2 |
| Roalesk, Prime Specimen | 2GU | Legendary Creature — Human Mutant | Flying Whenever Roalesk, Prime Specimen or another permanent you control is turned face up, you may pay {X}. If you do, if X is 1 or more, conjure a duplicate of a random creature card with mana value X into your hand. Cloak it. It gains "{G/U}: Turn this creature face up" for as long as it remains face down. Disguise {G}{U} 4/5 |
| Rainbow Knights | WW | Summon Knights | When Rainbow Knights comes into play, it gains protection from a random color permanently. {1}: First strike until end of turn. {W}{W}: +0/+0, +1/+0 or +2/+0 until end of turn chosen at random. 2/1 |
| Sapseep Forest | Land — Forest | ({T}: Add {G}.) Sapseep Forest enters the battlefield tapped. {G}, {T}: You gain 1 life. Activate only if you control two or more green permanents. | |
| Ice-Fang Coatl | GU | Snow Creature — Snake | Flash Flying When Ice-Fang Coatl enters the battlefield, draw a card. Ice-Fang Coatl has deathtouch as long as you control at least three other snow permanents. 1/1 |
| Roiling Vortex | 1R | Enchantment | At the beginning of each player's upkeep, Roiling Vortex deals 1 damage to them. Whenever a player casts a spell, if no mana was spent to cast that spell, Roiling Vortex deals 5 damage to that player. {R}: Your opponents can't gain life this turn. |
| Cliffside Market | Plane — Mercadia | When you planeswalk to Cliffside Market or at the beginning of your upkeep, you may exchange life totals with target player. Whenever chaos ensues, exchange control of two target permanents that share a card type. | |
| Mindwhip Sliver | 2B | Creature — Sliver | All Slivers have "{2}, Sacrifice this permanent: Target player discards a card at random. Activate only as a sorcery." 2/2 |
| Loose Lips | U | Enchantment — Aura | Enchant creature As Loose Lips enters the battlefield, choose a sentence with eight or fewer words. Enchanted creature has flying. Whenever enchanted creature deals damage to an opponent, that player may say the chosen sentence. If they don't, you draw two cards. |