Trinisphere [Darksteel] Kithkin Knight that player sacrifices an artifact

that player sacrifices an artifact

return Undiscovered Paradise to its owner's hand

each player discards their hand and returns to their hand each card they exiled this way

if that spell's mana cost is {3}{U}{U}

−8: Chandra Nalaar deals 10 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls

Trinisphere [Darksteel] Kithkin Knight that player sacrifices an artifactSet: Darksteel Type: Artifact Rarity: Rare 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.)