M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Code of Constraint | 2U | Instant | Target creature gets -4/-0 until end of turn. Draw a card. Addendum — If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step. |
| Goblin Rock Sled | 1R | Creature — Goblin | Trample Goblin Rock Sled doesn't untap during your untap step if it attacked during your last turn. Goblin Rock Sled can't attack unless defending player controls a Mountain. 3/1 |
| Niblis of Frost | 2UU | Creature — Spirit | Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. 3/3 |
| Locked in the Cemetery | 1U | Enchantment — Aura | Enchant creature When Locked in the Cemetery enters the battlefield, if there are five or more cards in your graveyard, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. |
| Spectral Bears | 1G | Creature — Bear Spirit | Whenever Spectral Bears attacks, if defending player controls no black nontoken permanents, it doesn't untap during your next untap step. 3/3 |
| Mesmerizing Dose | 1UU | Enchantment — Aura | Enchant creature When Mesmerizing Dose enters the battlefield, tap enchanted creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Enchanted creature doesn't untap during its controller's untap step. |
| Rainbow Efreet | 3U | Creature — Efreet | Flying {U}{U}: Rainbow Efreet phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.) 3/1 |
| Kiora Bests the Sea God | 5UU | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create an 8/8 blue Kraken creature token with hexproof. II — Tap all nonland permanents target opponent controls. They don't untap during their controller's next untap step. III — Gain control of target permanent an opponent controls. Untap it. |
| Lorthos, the Tidemaker | 5UUU | Legendary Creature — Octopus | Whenever Lorthos, the Tidemaker attacks, you may pay {8}. If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps. 8/8 |
| Chill of the Grave | 2U | Instant | This spell costs {1} less to cast if you control a Zombie. Tap target creature. It doesn't untap during its controller's next untap step. Draw a card. |