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 |
|---|---|---|---|
| Thoughtlace | U | Instant | Target spell or permanent becomes blue. (Mana symbols on that permanent remain unchanged.) |
| Puca's Mischief | 3U | Enchantment | At the beginning of your upkeep, you may exchange control of target nonland permanent you control and target nonland permanent an opponent controls with an equal or lesser mana value. |
| Destructive Revelry | RG | Instant | Destroy target artifact or enchantment. Destructive Revelry deals 2 damage to that permanent's controller. |
| Chaoslace | R | Instant | Target spell or permanent becomes red. (Its mana symbols remain unchanged.) |
| Psychic Overload | 3U | Enchantment — Aura | Enchant permanent When Psychic Overload enters the battlefield, tap enchanted permanent. Enchanted permanent doesn't untap during its controller's untap step. Enchanted permanent has "Discard two artifact cards: Untap this permanent." |
| Clockspinning | U | Instant | Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Choose a counter on target permanent or suspended card. Remove that counter from that permanent or card or put another of those counters on it. |
| Gideon's Sacrifice | W | Instant | Choose a creature or planeswalker you control. All damage that would be dealt this turn to you and permanents you control is dealt to the chosen permanent instead (if it's still on the battlefield). |
| Costume Shop | Artifact — Attraction | Visit — You may put a sticker on a nonland permanent you own. | |
| Forethought Amulet | 5 | Artifact | At the beginning of your upkeep, sacrifice Forethought Amulet unless you pay {3}. If an instant or sorcery source would deal 3 or more damage to you, it deals 2 damage to you instead. |
| Mist of Stagnation | 3UU | Enchantment | Permanents don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player chooses a permanent for each card in their graveyard, then untaps those permanents. |