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
Boreal Elemental 4UCreature — Elemental Flying Spells your opponents cast that target Boreal Elemental cost {2} more to cast. 3/4
Gwaihir the Windlord 4WULegendary Creature — Bird Noble This spell costs {2} less to cast as long as you've drawn two or more cards this turn. Flying, vigilance Other Birds you control have vigilance. 4/4
Hero of Iroas 1WCreature — Human Soldier Aura spells you cast cost {1} less to cast. Heroic — Whenever you cast a spell that targets Hero of Iroas, put a +1/+1 counter on Hero of Iroas. 2/2
Geistlight Snare 2UInstant This spell costs {1} less to cast if you control a Spirit. It also costs {1} less to cast if you control an enchantment. Counter target spell unless its controller pays {3}.
Winged Words 2USorcery This spell costs {1} less to cast if you control a creature with flying. Draw two cards.
Even the Score XUUUInstant This spell costs {U}{U}{U} less to cast if an opponent has drawn four or more cards this turn. Draw X cards.
Krallenhorde Howler Creature — Werewolf Creature spells you cast cost {1} less to cast. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Krallenhorde Howler. 3/3
Catalyst Stone 2Artifact Flashback costs you pay cost up to {2} less. Flashback costs your opponents pay cost {2} more.
Rhonas's Monument 3Legendary Artifact Green creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.
Vorthos, Steward of Myth 1RLegendary Creature — Human Gamer As Vorthos, Steward of Myth enters the battlefield, choose a named Magic character. Each spell you cast with the chosen character in its name, flavor text, or art costs {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay. 1/3
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