M:tG card similarity search
3R · Instant — Arcane
Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead. Splice onto Arcane {2}{R}{R} (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.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Desperate Gambit | R | Instant | Choose a source you control and flip a coin. If you win the flip, the next time that source would deal damage this turn, it deals double that damage instead. If you lose the flip, the next time it would deal damage this turn, prevent that damage. |
| Shield of the Realm | 2 | Artifact — Equipment | If a source would deal damage to equipped creature, prevent 2 of that damage. Equip {1} |
| Circle of Protection: Blue | 1W | Enchantment | {1}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage. |
| Circle of Protection: Red | 1W | Enchantment | {1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage. |
| Lashknife Barrier | 2W | Enchantment | When Lashknife Barrier enters the battlefield, draw a card. If a source would deal damage to a creature you control, it deals that much damage minus 1 to that creature instead. |
| Archfiend of Spite | 5BB | Creature — Demon | Flying Whenever a source an opponent controls deals damage to Archfiend of Spite, that source's controller loses that much life unless they sacrifice that many permanents. Madness {3}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) 6/6 |
| Sphere of Truth | 3W | Enchantment | If a white source would deal damage to you, prevent 2 of that damage. |
| Rune of Protection: Blue | 1W | Enchantment | {W}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Rune of Protection: Red | 1W | Enchantment | {W}: The next time a red source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Prahv, Spires of Order | Land | {T}: Add {C}. {4}{W}{U}, {T}: Prevent all damage a source of your choice would deal this turn. |