M:tG card similarity search
1U · Instant — Arcane
You may tap or untap target permanent. Splice onto Arcane {U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Ghosthelm Courier | 2U | Creature — Human Wizard | You may choose not to untap Ghosthelm Courier during your untap step. {2}{U}, {T}: Target Wizard creature gets +2/+2 and has shroud for as long as Ghosthelm Courier remains tapped. (It can't be the target of spells or abilities.) 2/1 |
| 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 |
| Nettle Sentinel | G | Creature — Elf Warrior | Nettle Sentinel doesn't untap during your untap step. Whenever you cast a green spell, you may untap Nettle Sentinel. 2/2 |
| Choke | 2G | Enchantment | Islands don't untap during their controllers' untap steps. |
| Deceiver Exarch | 2U | Creature — Phyrexian Cleric | Flash (You may cast this spell any time you could cast an instant.) When Deceiver Exarch enters the battlefield, choose one — • Untap target permanent you control. • Tap target permanent an opponent controls. 1/4 |
| 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 |
| Sleep | 2UU | Sorcery | Tap all creatures target player controls. Those creatures don't untap during that player's next untap step. |
| Iceberg Titan | Artifact Creature — Golem | Whenever Iceberg Titan attacks, you may tap or untap target artifact or creature. 6/6 | |
| Willow Satyr | 2GG | Creature — Satyr | You may choose not to untap Willow Satyr during your untap step. {T}: Gain control of target legendary creature for as long as you control Willow Satyr and Willow Satyr remains tapped. 1/1 |
| Homarid Warrior | 4U | Creature — Homarid Warrior | {U}: Homarid Warrior gains shroud until end of turn and doesn't untap during your next untap step. Tap Homarid Warrior. (A creature with shroud can't be the target of spells or abilities.) 3/3 |