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
Deadly Rollick 3BInstant If you control a commander, you may cast this spell without paying its mana cost. Exile target creature.
Phantasmal Extraction 1BSorcery If you weren't the starting player, this spell costs {1} less to cast. Target opponent reveals each nonland card in their hand with mana value 4 or less. Choose a card revealed this way or a card in their graveyard. Exile that card.
Beseech the Mirror 1BBBSorcery Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Search your library for a card, exile it face down, then shuffle. If this spell was bargained, you may cast the exiled card without paying its mana cost if that spell's mana value is 4 or less. Put the exiled card into your hand if it wasn't cast this way.
Watcher of the Spheres WUCreature — Bird Wizard Flying Creature spells with flying you cast cost {1} less to cast. Whenever another creature with flying enters the battlefield under your control, Watcher of the Spheres gets +1/+1 until end of turn. 2/2
Myr Superion 2Artifact Creature — Myr Spend only mana produced by creatures to cast this spell. 5/6
Cemetery Prowler 1GGCreature — Wolf Vigilance Whenever Cemetery Prowler enters the battlefield or attacks, exile a card from a graveyard. Spells you cast cost {1} less to cast for each card type they share with cards exiled with Cemetery Prowler. 3/4
Invoke Calamity 1RRRRInstant You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity.
Confession Dial 3Artifact When Confession Dial enters the battlefield, surveil 3. {T}: Target legendary creature card in your graveyard gains escape until end of turn. The escape cost is equal to its mana cost plus exile three other cards from your graveyard. (You may cast it from your graveyard for its escape cost this turn.)
High Troller 3RCreature — Troll Shaman All targeted spells and abilities cost {2} less and have their targets chosen randomly. 4/1
Pelargir Survivor 1UCreature — Human Peasant {T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell. {5}{U}, {T}: Target player mills three cards. (They put the top three cards of their library into their graveyard.) 1/3
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