M:tG card similarity search
4 · Artifact
You may choose not to untap Amber Prison during your untap step. {4}, {T}: Tap target artifact, creature, or land. That permanent doesn't untap during its controller's untap step for as long as Amber Prison remains tapped.
| Name | Mana | Type | Text |
|---|---|---|---|
| Guardian of Tazeem | 3UU | Creature — Sphinx | Flying Landfall — Whenever a land enters the battlefield under your control, tap target creature an opponent controls. If that land is an Island, that creature doesn't untap during its controller's next untap step. 4/5 |
| Rhonas's Last Stand | GG | Sorcery | Create a 5/4 green Snake creature token. Lands you control don't untap during your next untap step. |
| Reveille Squad | 2WW | Creature — Human Rebel | Whenever one or more creatures attack you, if Reveille Squad is untapped, you may untap all creatures you control. 3/3 |
| Breaking Wave | 2UU | Sorcery | You may cast Breaking Wave as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.) Simultaneously untap all tapped creatures and tap all untapped creatures. |
| Burst of Energy | W | Instant | Untap target permanent. |
| Forsaken City | Land | Forsaken City doesn't untap during your untap step. At the beginning of your upkeep, you may exile a card from your hand. If you do, untap Forsaken City. {T}: Add one mana of any color. | |
| Apathy | U | Enchantment — Aura | Enchant creature Enchanted creature doesn't untap during its controller's untap step. At the beginning of the upkeep of enchanted creature's controller, that player may discard a card at random. If the player does, untap that creature. |
| Snow Day | 4UU | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Draw two cards, then discard a card. |
| Frostwalk Bastion | Snow Land | {T}: Add {C}. {1}{S}: Until end of turn, Frostwalk Bastion becomes a 2/3 Construct artifact creature. It's still a land. ({S} can be paid with one mana from a snow source.) Whenever Frostwalk Bastion deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step. | |
| Skyline Cascade | Land | Skyline Cascade enters the battlefield tapped. When Skyline Cascade enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step. {T}: Add {U}. |