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
Dead Man's Chest 1BEnchantment — Aura Enchant creature an opponent controls When enchanted creature dies, exile cards equal to its power from the top of its owner's library. You may cast spells from among those cards for as long as they remain exiled, and mana of any type can be spent to cast them.
Robber of the Rich 1RCreature — Human Archer Rogue Reach, haste Whenever Robber of the Rich attacks, if defending player has more cards in hand than you, exile the top card of their library. During any turn you attacked with a Rogue, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. 2/2
Urza's Contact Lenses 0Artifact Urza's Contact Lenses enters the battlefield tapped. Urza's Contact Lenses doesn't untap during your untap step. As long as Urza's Contact Lenses is untapped, all players play with their hands revealed. Clap your hands twice: You may tap or untap Urza's Contact Lenses.
Casting of Bones 2BEnchantment — Aura Enchant creature When enchanted creature dies, draw three cards, then discard one of them.
Unclaimed Territory Land As Unclaimed Territory enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.
Jetfire, Ingenious Scientist 4ULegendary Artifact Creature — Robot More Than Meets the Eye {3}{U} (You may cast this card converted for {3}{U}.) Flying Remove one or more +1/+1 counters from among artifacts you control: Target player adds that much {C}. This mana can't be spent to cast nonartifact spells. Convert Jetfire. 3/4
Mindwrack Harpy 3BEnchantment Creature — Harpy Flying At the beginning of combat on your turn, each player mills three cards. 3/2
Sundering Stroke 6RSorcery Sundering Stroke deals 7 damage divided as you choose among one, two, or three targets. If at least seven red mana was spent to cast this spell, instead Sundering Stroke deals 7 damage to each of those permanents and/or players.
Unified Front 3WSorcery Converge — Create a 1/1 white Kor Ally creature token for each color of mana spent to cast this spell.
Even the Odds 2WInstant Cast this spell only if you control fewer creatures than each opponent. Create three 1/1 white Soldier creature tokens.
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