M:tG card similarity search
3 · Artifact
{2}, {T}: Tap all other artifacts. They don't untap during their controllers' untap steps for as long as Kill Switch remains tapped.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Zelyon Sword | 3 | Artifact | You may choose not to untap Zelyon Sword during your untap step. {3}, {T}: Target creature gets +2/+0 for as long as Zelyon Sword remains tapped. | 
| Phyrexian Ironfoot | 3 | Snow Artifact Creature — Phyrexian Construct | Phyrexian Ironfoot doesn't untap during your untap step. {1}{S}: Untap Phyrexian Ironfoot. ({S} can be paid with one mana from a snow source.) 3/4 | 
| Depth Charge Colossus | 9 | Artifact Creature — Dreadnought | Prototype {4}{U}{U} — 6/6 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Depth Charge Colossus doesn't untap during your untap step. {3}: Untap Depth Charge Colossus. 9/9 | 
| Static Orb | 3 | Artifact | As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps. | 
| Hisoka's Guard | 1U | Creature — Human Wizard | You may choose not to untap Hisoka's Guard during your untap step. {1}{U}, {T}: Target creature you control other than Hisoka's Guard has shroud for as long as Hisoka's Guard remains tapped. (It can't be the target of spells or abilities.) 1/1 | 
| Press for Answers | 1U | Sorcery | Tap target creature. It doesn't untap during its controller's next untap step. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") | 
| Rage of Winter | 1U | Sorcery — Adventure | Tap target creature. It doesn't untap during its controller's next untap step. (Then exile this card. You may cast the creature later from exile.) | 
| Take into Custody | U | Instant | Tap target creature. It doesn't untap during its controller's next untap step. | 
| 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. | 
| Winter Orb | 2 | Artifact | As long as Winter Orb is untapped, players can't untap more than one land during their untap steps. |