M:tG card similarity search
4 · Artifact
{2}, {T}: Target permanent you control becomes the color of your choice. (This effect lasts indefinitely.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Corrupted Grafstone | 2 | Artifact | Corrupted Grafstone enters the battlefield tapped. {T}: Choose a color of a card in your graveyard. Add one mana of that color. |
| Sunken Citadel | Land — Cave | Sunken Citadel enters the battlefield tapped. As it enters, choose a color. {T}: Add one mana of the chosen color. {T}: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources. | |
| Elder Deep-Fiend | 8 | Creature — Eldrazi Octopus | Flash Emerge {5}{U}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, tap up to four target permanents. 5/6 |
| Aven Warcraft | 2W | Instant | Creatures you control get +0/+2 until end of turn. Threshold — If seven or more cards are in your graveyard, choose a color. Creatures you control also gain protection from the chosen color until end of turn. |
| Slimy Kavu | 2R | Creature — Kavu | {T}: Target land becomes a Swamp until end of turn. 2/2 |
| Kavu Recluse | 2R | Creature — Kavu | {T}: Target land becomes a Forest until end of turn. 2/2 |
| Biorhythm | 6GG | Sorcery | Each player's life total becomes the number of creatures they control. |
| Hidden Herd | G | Enchantment | When an opponent plays a nonbasic land, if Hidden Herd is an enchantment, Hidden Herd becomes a 3/3 Beast creature. |
| Reweave | 5U | Instant — Arcane | Target permanent's controller sacrifices it. If the player does, they reveal cards from the top of their library until they reveal a permanent card that shares a card type with the sacrificed permanent, put that card onto the battlefield, then shuffle. Splice onto Arcane {2}{U}{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.) |
| Guardian Archon | 4WW | Creature — Archon | Flying As Guardian Archon enters the battlefield, secretly choose an opponent. Reveal the player you chose: You and target permanent you control each gain protection from the chosen player until end of turn. Activate only once. 5/5 |