Trinisphere Aetherdrift {7}: If you both own

{7}: If you both own and control Urza

or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent

As long as The Reality Chip is attached to a creature

Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card

−2: Target player sacrifices a creature

Trinisphere Aetherdrift {7}: If you both ownAs long as this artifact 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.)