M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Helm of Possession | 4 | Artifact | You may choose not to untap Helm of Possession during your untap step. {2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped. |
| Malfunction | 3U | Enchantment — Aura | Enchant artifact or creature When Malfunction enters the battlefield, tap enchanted permanent. Enchanted permanent doesn't untap during its controller's untap step. |
| Citanul Stalwart | G | Creature — Elf Druid Soldier | {T}, Tap an untapped artifact or creature you control: Add one mana of any color. 1/1 |
| 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. |
| Ethereal Grasp | 2U | Instant | Tap target creature. That creature perpetually gains "This creature doesn't untap during your untap step" and "{8}: Untap this creature." |
| Ulvenwald Captive | 1G | Creature — Werewolf Horror | Defender {T}: Add {G}. {5}{G}{G}: Transform Ulvenwald Captive. 1/2 |
| Vedalken Shackles | 3 | Artifact | You may choose not to untap Vedalken Shackles during your untap step. {2}, {T}: Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped. |
| 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 |
| 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. | |
| Grimgrin, Corpse-Born | 3UB | Legendary Creature — Zombie Warrior | Grimgrin, Corpse-Born enters the battlefield tapped and doesn't untap during your untap step. Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it. Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin. 5/5 |