Space Stone

When this card enters the battlefield sacrifice
target creature you control
Equip {0}
When equipped, Target Creature takes 4 damage
for each equipped Infinity stone
Equipped Creature gains: You may choose not to
untap this creature during your untap step.
{t}, You may Exile or Un-Exile target creature as
long as this card remains tapped. You may choose
any number of target creatures if you also
equipped Power Stone.
If you Equip all 6 Infinity Stones, Target player wins the game.