Trinisphere [Darksteel] Kithkin Knight if that spell's mana cost

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

Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls

it deals 1 damage to each opponent and each creature and planeswalker they control

Set: Journey into Nyx Type: Creature — Human Wizard Rarity: Mythic Cost: {1}{U} Heroic — Whenever you cast a spell that targets Sage of Hours

Trinisphere [Darksteel] Kithkin Knight if that spell's mana costSet: 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.)