Trinisphere [Double Masters] Commander Masters Tokens If it's an attack action

If it's an attack action card

Set: EX: Hidden Legends Type: Water Rarity: Rare Retreat cost: Colorless

Whenever you discard one or more cards for the first time each turn

Set: Scarlet & Violet: Black Star Promos Type: Colorless Rarity: Double Rare Retreat cost: Colorless

Set: Neo Destiny 1st Edition Type: Grass Rarity: Rare

Trinisphere [Double Masters] Commander Masters Tokens If it's an attack actionSet: Double Masters Type: Artifact Rarity: Mythic Cost: {3} 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.)