M:tG card similarity search
1UU · Instant
Counter target spell. Cards in your hand that share a card type with that spell perpetually gain "This spell costs {1} less to cast."
| Name | Mana | Type | Text |
|---|---|---|---|
| Arcane Adaptation | 2U | Enchantment | As Arcane Adaptation enters the battlefield, choose a creature type. Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. |
| Rune Snag | 1U | Instant | Counter target spell unless its controller pays {2} plus an additional {2} for each card named Rune Snag in each graveyard. |
| Meddle | 1U | Instant | If target spell has only one target and that target is a creature, change that spell's target to another creature. |
| Glyph Keeper | 3UU | Creature — Sphinx | Flying Whenever Glyph Keeper becomes the target of a spell or ability for the first time each turn, counter that spell or ability. Embalm {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Sphinx with no mana cost. Embalm only as a sorcery.) 5/3 |
| Sapphire Collector | 2R | Creature — Human Mercenary | Prowess When you cast your second noncreature spell in a turn, conjure a card named Mox Sapphire into your hand. This ability triggers only once. {2}{U}: Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. 3/3 |
| Unsettled Mariner | WU | Creature — Shapeshifter | Changeling (This card is every creature type.) Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}. 2/2 |
| Cavern of Souls | Land | As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered. | |
| Crystalline Nautilus | 2U | Enchantment Creature — Nautilus | Bestow {3}{U}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) When Crystalline Nautilus becomes the target of a spell or ability, sacrifice it. Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it." 4/4 |
| Force of Despair | 1BB | Instant | If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost. Destroy all creatures that entered the battlefield this turn. |
| Fractured Loyalty | 1R | Enchantment — Aura | Enchant creature Whenever enchanted creature becomes the target of a spell or ability, that spell or ability's controller gains control of that creature. (This effect lasts indefinitely.) |