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 |
|---|---|---|---|
| Onyx Talisman | 2 | Artifact | Whenever a player casts a black spell, you may pay {3}. If you do, untap target permanent. |
| Prophet of Kruphix | 3GU | Creature — Human Wizard | Untap all creatures and lands you control during each other player's untap step. You may cast creature spells as though they had flash. 2/3 |
| Orcish Farmer | 1RR | Creature — Orc | {T}: Target land becomes a Swamp until its controller's next untap step. 2/2 |
| Seedborn Muse | 3GG | Creature — Spirit | Untap all permanents you control during each other player's untap step. 2/4 |
| Twiddlestick Charger | Artifact — Contraption | Whenever you crank Twiddlestick Charger, tap or untap target creature. | |
| Snapback | 1U | Instant | You may exile a blue card from your hand rather than pay this spell's mana cost. Return target creature to its owner's hand. |
| Unquenchable Thirst | 1U | Enchantment — Aura | Enchant creature When Unquenchable Thirst enters the battlefield, if you control a Desert or there is a Desert card in your graveyard, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |
| Winter Orb | 2 | Artifact | As long as Winter Orb is untapped, players can't untap more than one land during their untap steps. |
| Captain of the Mists | 2U | Creature — Human Wizard | Whenever another Human enters the battlefield under your control, untap Captain of the Mists. {1}{U}, {T}: You may tap or untap target permanent. 2/3 |
| Earthcraft | 1G | Enchantment | Tap an untapped creature you control: Untap target basic land. |