Card Codex

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17 May 2024: Card library updated.

Trinisphere

3 · Artifact

As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)

Similar cards

Color identity:
NameManaTypeText
Not of This World 7Tribal Instant — Eldrazi Counter target spell or ability that targets a permanent you control. This spell costs {7} less to cast if it targets a spell or ability that targets a creature you control with power 7 or greater.
Lavinia, Azorius Renegade WULegendary Creature — Human Soldier Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2
Arcane Heist 2UUSorcery You may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost. If that spell would be put into their graveyard, exile it instead. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)
Food Chain 2GEnchantment Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.
Venomous Hierophant 3BCreature — Gorgon Cleric Deathtouch When Venomous Hierophant enters the battlefield, mill three cards. (Put the top three cards of your library into your graveyard.) 3/3
Infernius Spawnington III, Esq. 10BCreature — Demon Beast Grandchild Flying, first strike, trample, haste This spell costs {3} less to cast for each card you've revealed this turn. When Infernius Spawnington III, Esq. enters the battlefield, you may say "I'm here." If you do, it deals 3 damage to target player. 9/9
Imperiosaur 2GGCreature — Dinosaur Spend only mana produced by basic lands to cast this spell. 5/5
Lion's Eye Diamond 0Artifact Discard your hand, Sacrifice Lion's Eye Diamond: Add three mana of any one color. Activate only as an instant.
Stalwart Realmwarden 1WWCreature — Human Soldier First strike, Lifelink When Stalwart Realmwarden enters the battlefield, the next noncreature spell target opponent casts costs {2} more to cast. 2/2
The Pride of Hull Clade 10GLegendary Creature — Crocodile Elk Turtle This spell costs {X} less to cast, where X is the total toughness of creatures you control. Defender {2}{U}{U}: Until end of turn, target creature you control gets +1/+0, gains "Whenever this creature deals combat damage to a player, draw cards equal to its toughness," and can attack as though it didn't have defender. 2/15
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