He took it a step further, winning a another World Championship title, matching Shahar Shenhar as the only other player to win the tournament a second time
Trade haste for lifelink, then remove one toughness, first strike, and ward and you get a very similar monster
Being able to put all creature cards from all graveyards into play under your control is hugely powerful, though it will certainly take you a while to play it even if you successfully mana ramp
A creature "has a hat" if the creature depicted in the art is in possession of a hat
Instead of setting Prize cards, place three Prize tokens in the Prize position on the left of the playmat
Flexibility and instant speed are critical in Commander games, and players can do a lot worse than a White-version of Beast Within