Trinisphere Aetherdrift Whenever Altaïr attacks

Whenever Altaïr attacks

then you may cast any number of spells from among those cards without paying their mana costs

create a 2/1 white Cat Warrior creature token

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

Trinisphere Aetherdrift Whenever Altaïr attacksAs 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.)