M:tG card similarity search
UU · Instant
Cast this spell only during an opponent's turn after their upkeep step. Untap all lands you control.
| Name | Mana | Type | Text |
|---|---|---|---|
| Blood Moon | 2R | Enchantment | Nonbasic lands are Mountains. |
| Megatron, Tyrant | 3RWB | Legendary Artifact Creature — Robot | More Than Meets the Eye {1}{R}{W}{B} (You may cast this card converted for {1}{R}{W}{B}.) Your opponents can't cast spells during combat. At the beginning of your postcombat main phase, you may convert Megatron. If you do, add {C} for each 1 life your opponents have lost this turn. 7/5 |
| Dormant Gomazoa | 1UU | Creature — Jellyfish | Flying Dormant Gomazoa enters the battlefield tapped. Dormant Gomazoa doesn't untap during your untap step. Whenever you become the target of a spell, you may untap Dormant Gomazoa. 5/5 |
| Anthousa, Setessan Hero | 3GG | Legendary Creature — Human Warrior | Heroic — Whenever you cast a spell that targets Anthousa, Setessan Hero, up to three target lands you control each become 2/2 Warrior creatures until end of turn. They're still lands. 4/5 |
| Howling Mine | 2 | Artifact | At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card. |
| Stasis Cell | 4U | Enchantment — Aura | Enchant creature Enchanted creature doesn't untap during its controller's untap step. {3}{U}: Attach Stasis Cell to target creature. |
| Liberator, Urza's Battlethopter | 3 | Legendary Artifact Creature — Thopter | Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1/+1 counter on Liberator. 1/2 |
| Numbing Dose | 3UU | Enchantment — Aura | Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step. At the beginning of the upkeep of enchanted permanent's controller, that player loses 1 life. |
| Giant Oyster | 2UU | Creature — Oyster | You may choose not to untap Giant Oyster during your untap step. {T}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature. 0/3 |
| Permission Denied | WU | Instant | Counter target noncreature spell. Your opponents can't cast noncreature spells this turn. |