Trinisphere [Double Masters] Human Designer creatures you control have first

creatures you control have first strike and equip abilities you activate cost {1} less to activate

If you have the city's blessing

As blood touched the empty page

if Howling Mine is untapped

Roaring Flame deals 2 damage to target player or planeswalker

Trinisphere [Double Masters] Human Designer creatures you control have firstSet: 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.)