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 |
|---|---|---|---|
| Arena of the Ancients | 3 | Artifact | Legendary creatures don't untap during their controllers' untap steps. When Arena of the Ancients enters the battlefield, tap all legendary creatures. |
| House Guildmage | UB | Creature — Human Wizard | {1}{U}, {T}: Target creature doesn't untap during its controller's next untap step. {2}{B}, {T}: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) 2/2 |
| Blizzard | GG | Enchantment | Cast this spell only if you control a snow land. Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Creatures with flying don't untap during their controllers' untap steps. |
| Stasis Cell | 4U | Enchantment — Aura | Enchant creature Enchanted creature doesn't untap during its controller's untap step. {3}{U}: Attach Stasis Cell to target creature. |
| Decision Paralysis | 3U | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. |
| Frost Breath | 2U | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. |
| Done | 3U | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. |
| Chilling Grasp | 2U | Instant | Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Madness {3}{U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) |
| Will of the Naga | 4UU | Instant | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. |
| 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 |