M:tG card similarity search
XRR · Instant — Arcane
You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Kry Shield | 2 | Artifact | {2}, {T}: Prevent all damage that would be dealt this turn by target creature you control. That creature gets +0/+X until end of turn, where X is its mana value. |
| Emergent Ultimatum | BBGGGUU | Sorcery | Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that card into your library. You may cast the other cards without paying their mana costs. Exile Emergent Ultimatum. |
| Karn's Sylex | 3 | Legendary Artifact | Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery. |
| Omnath, Locus of All | WUB/PRG | Legendary Creature — Phyrexian Elemental | If you would lose unspent mana, that mana becomes black instead. At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand. 4/4 |
| Anoint with Affliction | 1B | Instant | Exile target creature if it has mana value 3 or less. Corrupted — Exile that creature instead if its controller has three or more poison counters. |
| Pest Control | WB | Sorcery | Destroy all nonland permanents with mana value 1 or less. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Ethereal Valkyrie | 4WU | Creature — Spirit Angel | Flying Whenever Ethereal Valkyrie enters the battlefield or attacks, draw a card, then exile a card from your hand face down. It becomes foretold. Its foretell cost is its mana cost reduced by {2}. (On a later turn, you may cast it for its foretell cost, even if this creature has left the battlefield.) 4/4 |
| Summoning Trap | 4GG | Instant — Trap | If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay {0} rather than pay this spell's mana cost. Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order. |
| Pale Moon | 1U | Instant | Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type. |
| Sins of the Past | 4BB | Sorcery | Until end of turn, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Exile Sins of the Past. |