Rennala, of the Full Moon

When Rennala enters the battlefield, create three
0/1 blue Student Wizard creature tokens with "Creatures named Rennala, of the Full Moon
you control have indestructible"
Magecarft — Whenever you cast or copy an
instant or sorcery spell, you may exile another
target creature you control. At the beginning of
the next end step, return that card to the battlefield under its owner's control except with
base power and toughness 3/3.