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
Phyrexian Unlife 2WEnchantment You don't lose the game for having 0 or less life. As long as you have 0 or less life, all damage is dealt to you as though its source had infect. (Damage is dealt to you in the form of poison counters.)
Mirrored Depths Plane — Karsus Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell. Whenever chaos ensues, target player reveals the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.
Spiraling Duelist 2RRCreature — Human Berserker Metalcraft — Spiraling Duelist has double strike as long as you control three or more artifacts. 3/1
Nettle Sentinel GCreature — Elf Warrior Nettle Sentinel doesn't untap during your untap step. Whenever you cast a green spell, you may untap Nettle Sentinel. 2/2
Grinding Station 2Artifact {T}, Sacrifice an artifact: Target player mills three cards. Whenever an artifact enters the battlefield, you may untap Grinding Station.
Vine Dryad 3GCreature — Dryad You may exile a green card from your hand rather than pay this spell's mana cost. Flash Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) 1/3
Esper Plane — Alara Artifact spells cost {1} less to cast. Whenever chaos ensues, creatures you control that are white, blue, and/or black become artifacts in addition to their other types until end of turn. Then each artifact creature you control gains vigilance, menace, and lifelink until end of turn.
Bouncer's Beatdown 2GInstant This spell costs {2} less to cast if it targets a black permanent. Bouncer's Beatdown deals X damage to target creature or planeswalker, where X is the greatest power among creatures you control. If that creature or planeswalker would die this turn, exile it instead.
Desecrate Reality 7Instant For each opponent, exile up to one target permanent that player controls with an even mana value. (Zero is even.) Adamant — If at least three colorless mana was spent to cast this spell, return a permanent card with an odd mana value from your graveyard to the battlefield.
Knowledge Exploitation 5UUTribal Sorcery — Rogue Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles.
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