M:tG card similarity search
U · Instant
As an additional cost to cast this spell, sacrifice a blue permanent. Counter target spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Coalition Honor Guard | 3W | Creature — Human Flagbearer | While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able. 2/4 |
| Standard Bearer | 1W | Creature — Human Flagbearer | While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able. 1/1 |
| Hivestone | 2 | Artifact | Creatures you control are Slivers in addition to their other creature types. |
| Kaleidoscorch | 1R | Sorcery | Converge — Kaleidoscorch deals X damage to any target, where X is the number of colors of mana spent to cast this spell. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Rakdos Riteknife | 2 | Artifact — Equipment | Equipped creature gets +1/+0 for each blood counter on Rakdos Riteknife and has "{T}, Sacrifice a creature: Put a blood counter on Rakdos Riteknife." {B}{R}, Sacrifice Rakdos Riteknife: Target player sacrifices a permanent for each blood counter on Rakdos Riteknife. Equip {2} |
| Recoup | 1R | Sorcery | Target sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (Mana cost includes color.) Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.) |
| Prohibit | 1U | Instant | Kicker {2} (You may pay an additional {2} as you cast this spell.) Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead. |
| Allosaurus Shepherd | G | Creature — Elf Shaman | This spell can't be countered. Green spells you control can't be countered. {4}{G}{G}: Until end of turn, each Elf creature you control has base power and toughness 5/5 and becomes a Dinosaur in addition to its other creature types. 1/1 |
| Stinging Lionfish | 1U | Enchantment Creature — Fish | Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent. 2/1 |
| Refraction Trap | 3W | Instant — Trap | If an opponent cast a red instant or sorcery spell this turn, you may pay {W} rather than pay this spell's mana cost. Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target. |