M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Unwinding Clock | 4 | Artifact | Untap all artifacts you control during each other player's untap step. |
| Breaching Leviathan | 7UU | Creature — Leviathan | When Breaching Leviathan enters the battlefield, if you cast it from your hand, tap all nonblue creatures. Those creatures don't untap during their controllers' next untap steps. 9/9 |
| Dream Tides | 2UU | Enchantment | Creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay {2} for each creature chosen this way. If the player does, untap those creatures. |
| Magnetic Mountain | 1RR | Enchantment | Blue creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures. |
| Thelon's Curse | GG | Enchantment | Blue creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {U} for each creature chosen this way. If the player does, untap those creatures. |
| Coma Veil | 4U | Enchantment — Aura | Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step. |
| Ice Over | 1U | Enchantment — Aura | Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step. |
| 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 |
| Ashnod's Battle Gear | 2 | Artifact | You may choose not to untap Ashnod's Battle Gear during your untap step. {2}, {T}: Target creature you control gets +2/-2 for as long as Ashnod's Battle Gear remains tapped. |
| 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 |