M:tG card similarity search
1UU · Creature — Cephalid
You may choose not to untap Callous Oppressor during your untap step. As Callous Oppressor enters the battlefield, an opponent chooses a creature type. {T}: Gain control of target creature that isn't of the chosen type for as long as Callous Oppressor remains tapped. 1/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Ray of Frost | 1U | Enchantment — Aura | Flash Enchant creature When Ray of Frost enters the battlefield, if enchanted creature is red, tap it. As long as enchanted creature is red, it loses all abilities. Enchanted creature doesn't untap during its controller's untap step. |
| Triton Tactics | U | Instant | Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step. |
| Xolatoyac, the Smiling Flood | 4GU | Legendary Creature — Salamander Serpent | Whenever Xolatoyac, the Smiling Flood enters the battlefield or attacks, put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. At the beginning of your end step, untap each permanent you control with a counter on it. 6/6 |
| Archipelagore | 5UU | Creature — Leviathan | Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step. 7/7 |
| Scrambleverse | 6RR | Sorcery | For each nonland permanent, choose a player at random. Then each player gains control of each permanent for which they were chosen. Untap those permanents. |
| Winterthorn Blessing | GU | Sorcery | Put a +1/+1 counter on up to one target creature you control. Tap up to one target creature you don't control, and that creature doesn't untap during its controller's next untap step. Flashback {1}{G}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Goblin Rock Sled | 1R | Creature — Goblin | Trample Goblin Rock Sled doesn't untap during your untap step if it attacked during your last turn. Goblin Rock Sled can't attack unless defending player controls a Mountain. 3/1 |
| Nameless Inversion | 1B | Tribal Instant — Shapeshifter | Changeling (This card is every creature type.) Target creature gets +3/-3 and loses all creature types until end of turn. |
| Code of Constraint | 2U | Instant | Target creature gets -4/-0 until end of turn. Draw a card. Addendum — If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step. |
| Niblis of the Breath | 2U | Creature — Spirit | Flying {U}, {T}: You may tap or untap target creature. 2/1 |