M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| The Ninth Doctor | 1UR | Legendary Creature — Time Lord Doctor | Haste Into the TARDIS — Whenever The Ninth Doctor becomes untapped during your untap step, you get an additional upkeep step after this step. 2/4 |
| The Savant | Hero | Exile The Savant: Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. | |
| Sunstrike Legionnaire | 1W | Creature — Human Soldier | Sunstrike Legionnaire doesn't untap during your untap step. Whenever another creature enters the battlefield, untap Sunstrike Legionnaire. {T}: Tap target creature with mana value 3 or less. 1/2 |
| Giant Tortoise | 1U | Creature — Turtle | Giant Tortoise gets +0/+3 as long as it's untapped. 1/1 |
| Glacial Grasp | 2U | Instant | Tap target creature. Its controller mills two cards. That creature doesn't untap during its controller's next untap step. (They put the top two cards of their library into their graveyard.) Draw a card. |
| Aura of Dominion | UU | Enchantment — Aura | Enchant creature {1}, Tap an untapped creature you control: Untap enchanted creature. |
| Archelos, Lagoon Mystic | 1BGU | Legendary Creature — Turtle Shaman | As long as Archelos, Lagoon Mystic is tapped, other permanents enter the battlefield tapped. As long as Archelos is untapped, other permanents enter the battlefield untapped. 2/4 |
| Goblin Polka Band | RR | Summon Goblin | {2}, {T}, Pay {R} for each target: Tap any number of random target creatures. Goblins tapped in this way do not untap during their controllers' next untap phases. 1/1 |
| Misstep | 1U | Sorcery | Creatures target player controls don't untap during that player's next untap step. |
| Llanowar Druid | 1G | Creature — Elf Druid | {T}, Sacrifice Llanowar Druid: Untap all Forests. 1/2 |