The Emperor of Palamecia - Funnily, Im higher on this because of its floor of being a 2/2 for 2 thats virtually a mana elf for non-creatures and becoming a very strong threat once flipped, if it can consistently hit for 3+ damage (on top of being a 6/6.) The counter ability cant be cheated with cards like Force of Will but thats fine
When Pokmon TCG Pocket implements trading later this month it will come with plenty of strict rules limiting precisely how and when players can exchange cards from their collections
While its already capable on its own, Nerf War works particularly well with damage and mill doublers
Legendary Major Demon Nahtanoj, gardien du 6
Celes, Rune Knight Celes, Rune Knight is a neat option for Mardu with the ETB of a super rummage
So this is a very efficient, early game removal tool