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
Brass Gnat 1Artifact Creature — Insect Flying Brass Gnat doesn't untap during your untap step. At the beginning of your upkeep, you may pay {1}. If you do, untap Brass Gnat. 1/1
Necrotic Fumes 1BBSorcery — Lesson As an additional cost to cast this spell, exile a creature you control. Exile target creature or planeswalker.
Defiant Stand 1WInstant Cast this spell only during the declare attackers step and only if you've been attacked this step. Target creature gets +1/+3 until end of turn. Untap that creature.
Etrata, Deadly Fugitive 1UBLegendary Creature — Vampire Assassin Deathtouch Face-down creatures you control have "{2}{U}{B}: Turn this creature face up. If you can't, exile it, then you may cast the exiled card without paying its mana cost." Whenever an Assassin you control deals combat damage to an opponent, cloak the top card of that player's library. 1/4
Will Kenrith 4UULegendary Planeswalker — Will [+2]: Until your next turn, up to two target creatures each have base power and toughness 0/3 and lose all abilities. [−2]: Target player draws two cards. Until your next turn, instant, sorcery, and planeswalker spells that player casts cost {2} less to cast. [−8]: Target player gets an emblem with "Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy." Partner with Rowan Kenrith Will Kenrith can be your commander. Loyalty 4
Honor the God-Pharaoh 2RSorcery As an additional cost to cast this spell, discard a card. Draw two cards. Amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
Impede Momentum 1USorcery Tap target creature and put three stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
Somnophore 2UUCreature — Illusion Flying Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as Somnophore remains on the battlefield. 2/2
Demand Answers 1RInstant As an additional cost to cast this spell, sacrifice an artifact or discard a card. Draw two cards.
Watchdog 3Artifact Creature — Dog Watchdog blocks each combat if able. As long as Watchdog is untapped, all creatures attacking you get -1/-0. 1/2
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