Tanazir Quandrix
From Strixhaven: School of Mages set
Tanazir Quandrix
Legendary Creature — Elder Dragon
4/4
Flying, trample
When Tanazir Quandrix enters, double the number of +1/+1 counters on target creature you control.
Whenever Tanazir Quandrix attacks, you may have the base power and toughness of other creatures you control become equal to Tanazir Quandrix's power and toughness until end of turn.