Comet, Stellar Pup Dragon Shield then return him to the

then return him to the battlefield transformed under his owner's control

Each Magic: The Gathering - Final Fantasy Starter Kit includes:

create a 0/0 black Phyrexian Germ creature token

Your opponents can't cast noncreature spells this turn

The Magic: The Gathering - Secrets of Strixhaven Collector Booster Box contains 12 Secrets of Strixhaven Collector Boosters

Comet, Stellar Pup Dragon Shield then return him to the0: Roll a six sided die. 1 or 2 [+2], then create two 1 1 green Squirrel creature tokens. They gain haste until end of turn. 3 [1], then return a card with mana value 2 or less from your graveyard to your hand. 4 or 5 Comet deals damage equal to the number of loyalty counters on him to a creature or player, then [2]. 6 [+1], and you may activate Comet's loyalty ability two more times this turn.