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
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Lobber Crew 2RCreature — Goblin Warrior Defender {T}: Lobber Crew deals 1 damage to each opponent. Whenever you cast a multicolored spell, untap Lobber Crew. 0/4
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Storm Entity 1RCreature — Elemental Haste Storm Entity enters the battlefield with a +1/+1 counter on it for each other spell cast this turn. 1/1
Belt of Giant Strength 1GArtifact — Equipment Equipped creature has base power and toughness 10/10. Equip {10}. This ability costs {X} less to activate, where X is the power of the creature it targets.
A-Splitting the Powerstone 2UInstant As an additional cost to cast this spell, sacrifice an artifact. Create two tapped Powerstone tokens. Draw a card.
Mystery Key 1UArtifact — Equipment When equipped creature deals combat damage to a player, sacrifice Mystery Key. If you do, draw three cards. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
Gemstone Mine Land Gemstone Mine enters the battlefield with three mining counters on it. {T}, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.
The Skullspore Nexus 6GGLegendary Artifact This spell costs {X} less to cast, where X is the greatest power among creatures you control. Whenever one or more nontoken creatures you control die, create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures. {2}, {T}: Double target creature's power until end of turn.
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