Sloane, Rambaldi Pursuiter

Flash
When Sloan, Rambaldi Pursuiter enters the battlefield, exile X creatures you control and
return them to battlefield tapped with a base
power and toughness of 7. This turn, those
creatures gain trample. At the end of this turn,
those creatures are exiled again and put onto the
battlefield tapped with a base power and
toughness of 1. You lose life equal to the number
of artifacts and enchantments your opponents
control.