M:tG card similarity search
2U · Instant
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Counter target spell unless its controller pays {3}.
| Name | Mana | Type | Text |
|---|---|---|---|
| Harbor Serpent | 4UU | Creature — Serpent | Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Harbor Serpent can't attack unless there are five or more Islands on the battlefield. 5/5 |
| Bringer of the Green Dawn | 7GG | Creature — Bringer | You may pay {W}{U}{B}{R}{G} rather than pay this spell's mana cost. Trample At the beginning of your upkeep, you may create a 3/3 green Beast creature token. 5/5 |
| Dark Triumph | 4B | Instant | If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Creatures you control get +2/+0 until end of turn. |
| Malachite Talisman | 2 | Artifact | Whenever a player casts a green spell, you may pay {3}. If you do, untap target permanent. |
| Refraction Trap | 3W | Instant — Trap | If an opponent cast a red instant or sorcery spell this turn, you may pay {W} rather than pay this spell's mana cost. Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target. |
| Ensnare | 3U | Instant | You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Tap all creatures. |
| Force of Virtue | 2WW | Enchantment | If it's not your turn, you may exile a white card from your hand rather than pay this spell's mana cost. Flash Creatures you control get +1/+1. |
| Essence Vortex | 1UB | Instant | Destroy target creature unless its controller pays life equal to its toughness. A creature destroyed this way can't be regenerated. |
| Permafrost Trap | 2UU | Instant — Trap | If an opponent had a green creature enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. |
| Labyrinth Guardian | 1U | Creature — Illusion Warrior | When Labyrinth Guardian becomes the target of a spell, sacrifice it. Embalm {3}{U} ({3}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Illusion Warrior with no mana cost. Embalm only as a sorcery.) 2/3 |