M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Arcum's Whistle | 3 | Artifact | {3}, {T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay {X}, where X is that mana value. If they don't pay, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn't attack this turn. Activate only before attackers are declared. |
| Larder Zombie | U | Creature — Zombie | Defender Tap three untapped creatures you control: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) 1/3 |
| Defiler of Vigor | 3GG | Creature — Phyrexian Wurm | Trample As an additional cost to cast green permanent spells, you may pay 2 life. Those spells cost {G} less to cast if you paid life this way. This effect reduces only the amount of green mana you pay. Whenever you cast a green permanent spell, put a +1/+1 counter on each creature you control. 6/6 |
| Harnessed Lightning | 1R | Instant | Choose target creature. You get {E}{E}{E} (three energy counters), then you may pay any amount of {E}. Harnessed Lightning deals that much damage to that creature. |
| Outbreak | 3B | Sorcery | You may discard a Swamp card rather than pay this spell's mana cost. Choose a creature type. All creatures of that type get -1/-1 until end of turn. |
| Staff of Compleation | 3 | Artifact | {T}, Pay 1 life: Destroy target permanent you own. {T}, Pay 2 life: Add one mana of any color. {T}, Pay 3 life: Proliferate. {T}, Pay 4 life: Draw a card. {5}: Untap Staff of Compleation. |
| Reservoir Kraken | 2UU | Creature — Kraken | Trample, ward {2} At the beginning of each combat, if Reservoir Kraken is untapped, any opponent may tap an untapped creature they control. If they do, tap Reservoir Kraken and create a 1/1 blue Fish creature token with "This creature can't be blocked." 6/6 |
| Counterpoint | 3UB | Instant | Counter target spell. You may cast a creature, instant, sorcery, or planeswalker spell from your graveyard with mana value less than or equal to that spell's mana value without paying its mana cost. |
| Agadeem, the Undercrypt | Land | As Agadeem, the Undercrypt enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped. {T}: Add {B}. | |
| Emeria, Shattered Skyclave | Land | As Emeria, Shattered Skyclave enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped. {T}: Add {W}. |