Apex of Eternity

When Apex of Eternity enters the battlefield,
you may look at the top {x} cards of your deck.
For each creature you find there, place it on the battlefield
If Apex of Eternity would be destroyed,
instead shuffle it into your deck.
{t}Apex of Eternity deals 1 damage to target player.
{ut}Apex of Eternity takes 1 damage.
Apex of Eternity's power and toughness are equal
to the number of creatures you control