Commander (EDH): 100 cards, endless shuffling Commander demands more from your sleeves than any other format
Cards like Marwyn, the Nurturer, Pelt Collector, and Allosaurus Shepherd can use +1/+1 counters to buff themselves with keywords, add extra mana, and massively increase the power of all your Elves
What Ive found in my own personal experience is that once I passed the 100 win mark (currently 145-4 right now!) I started facing much higher quality opponents
Ajani, Nacatl Pariah enters with another Cat Warrior alongside it, and its transform condition is that another of your cats has to die, which is trivial in the right build
However, its three Energy cost is a notable drawback, making it less efficient than some alternatives in fast-paced battles