Trinisphere [Darksteel] Worldwake Prerelease Promos each player secretly receives an

each player secretly receives an animal card

its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card

Think of it like an Upgrade card

At the beginning of the upkeep of enchanted artifact's controller

they draw a card

Trinisphere [Darksteel] Worldwake Prerelease Promos each player secretly receives anSet: 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.)