The Soul Stone

In order to cast this card, sacrifice your
most powerful creature
This card can be equipped to a creature or
the card Infinity Gauntlet
The creature this card is equipped to gets
+25/+20, Flying, First strike and faze
(This creature doesn't take damage, but
cannot block.this is able to be changed
only your upkeep). this doesn't happen
if it is equipped with the card Infinity
Gauntlet.