M:tG card similarity search
3 · Artifact
As long as Storage Matrix is untapped, each player chooses artifact, creature, or land during their untap step. That player can untap only permanents of the chosen type this step.
| Name | Mana | Type | Text |
|---|---|---|---|
| An-Zerrin Ruins | 2RR | Enchantment | As An-Zerrin Ruins enters the battlefield, choose a creature type. Creatures of the chosen type don't untap during their controllers' untap steps. |
| Magnetic Mountain | 1RR | Enchantment | Blue creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures. |
| Thelon's Curse | GG | Enchantment | Blue creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {U} for each creature chosen this way. If the player does, untap those creatures. |
| Horseshoe Crab | 2U | Creature — Crab | {U}: Untap Horseshoe Crab. 1/3 |
| Simic Ragworm | 3G | Creature — Worm | {U}: Untap Simic Ragworm. 3/3 |
| Giant Oyster | 2UU | Creature — Oyster | You may choose not to untap Giant Oyster during your untap step. {T}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature. 0/3 |
| Mungha Wurm | 2GG | Creature — Wurm | You can't untap more than one land during your untap step. 6/5 |
| Thran Weaponry | 4 | Artifact | Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) You may choose not to untap Thran Weaponry during your untap step. {2}, {T}: All creatures get +2/+2 for as long as Thran Weaponry remains tapped. |
| Smoke | RR | Enchantment | Players can't untap more than one creature during their untap steps. |
| Hokori, Dust Drinker | 2WW | Legendary Creature — Spirit | Lands don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player untaps a land they control. 2/2 |