You can cast spells after that ability resolves but before you have to sacrifice the creature
Creatures will all look similar, with their main differences being casting cost, type, ability, and power and toughness
Granted, these effects take place at the end of your turn, softening their impact somewhat, but they can still spin out of hand in an Aristocrats deck if you can get a good sacrifice loop going
Unlimited Format is usually found outside Championship matches and is often reserved for special occasions (like promotional or charity events)
(Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.) Illustrated by Bartek Fedyczak Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp