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
Kuon, Ogre Ascendant BBBLegendary Creature — Ogre Monk At the beginning of the end step, if three or more creatures died this turn, flip Kuon, Ogre Ascendant. 2/4
Heartless Conscription 6BBSorcery Exile all creatures. For each card exiled this way, you may play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. Exile Heartless Conscription.
Yule Ooze 2RGCreature — Ooze At the beginning of your upkeep, destroy another nonland permanent chosen at random, then put a number of +1/+1 counters on Yule Ooze equal to that permanent's converted mana cost. {R}{G}, Eat some food: Regenerate Yule Ooze. 1/1
Foundry Helix 1RWInstant As an additional cost to cast this spell, sacrifice a permanent. Foundry Helix deals 4 damage to any target. If the sacrificed permanent was an artifact, you gain 4 life.
Carnivorous Canopy 2GSorcery Destroy target artifact, enchantment, or creature with flying. If that permanent's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Share the Spoils 1REnchantment When Share the Spoils enters the battlefield or an opponent loses the game, exile the top card of each player's library. During each player's turn, that player may play a land or cast a spell from among cards exiled with Share the Spoils, and they may spend mana as though it were mana of any color to cast that spell. When they do, exile the top card of their library.
A-Radha's Firebrand 1RCreature — Human Warrior Whenever Radha's Firebrand attacks, target creature defending player controls with power less than or equal to Radha's Firebrand's power can't block this turn. Domain — {5}{R}: Radha's Firebrand gets +2/+2 until end of turn. This ability costs {1} less to activate for each basic land type among lands you control. Activate only once each turn. 3/1
Quirion Explorer 1GCreature — Elf Druid Scout {T}: Add one mana of any color that a land an opponent controls could produce. 1/1
Artificer's Assistant UCreature — Bird Flying Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) 1/1
The Key to the Vault 1ULegendary Artifact — Equipment Whenever equipped creature deals combat damage to a player, look at that many cards from the top of your library. You may exile a nonland card from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost. Equip {2}{U}
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