Chaos: Whenever you roll Chaos, creatures you control get +3/+3 and gain Trample until end of turn
Meanwhile, Archdruid's Charm can ramp us into Cactuar, be removal so we can stay alive long enough to cast it, or tutor it up at instant speed, hopefully during our opponent's end step so we can play it and win the following turn
Kefka wins
Its 4/4 with Deathtouch and lifelink, which lets you spend life to play extra cards from the top of your library
The Halfling could really push casual tables around as a one-drop tapper of mana, even colorless, but it's very strong in Commander since so many things are randomly legendary without even needing a theme to toss it into
The Pokemon Company has also confirmed that the set will include new immersive cards, though its hard to be sure which these will be from the trailer alone