It has a very relevant creature type, a decent stat line, and evasion, and offers a nice stax effect by putting the brakes on any activated abilities that other players may be counting on
Keeping Kefka alive a whole turn cycle to use his ability again might be tough, but at least in black there's a fair few protection spells
He told Draftsim that Chair Tribal was a thing people had heard about, but that the origins of this, for him, was a bit of luck: The idea originally came from a fit of boredom at my LGS
Alpine Guide Frost Bite Goblin Rimerunner Karplusan Wolverine Ohran Yeti Rimescale Dragon Stalking Yeti Svella, Ice Shaper Thermopod Tundra Fumarole
Below is the Japanese version of this card available to buy on SNKRDUNK: 4
you can check out their various social medial profiles to see what they said at the time