Mabel, Flame of Desolation

Whenever Mabel becomes the target of a spell or ability, put four +1/+1 counters on each Mouse you control, scry 1, then exile the top five cards of your library. You may put a creature card with mana value 3 or less from among them onto the battlefield. Put the rest into your hand.
When Mabel enters, create True Cragflame, a legendary colorless Equipment artifact token with “Equipped creature gets +3/+3 and has vigilance, trample, haste, double strike, and prowess,” "Whenever equipped creature dies,