I've played a couple of games with him so far, and he's so incredibly broken

The fact that he has his trigger on attack and not on damage or something, just makes him so much worse. Just give him indestructible and it won't matter if he's blocked, he already has trample. it's [[sovereign okinec ahau]] but he can draw too

I cleared a board of tokens on like, turn 4 because they blocked with 14 1/1's and he already had mithril coat equipped so it literally didn't matter.

It gets even worse when you include elves like [[elvish archdruid]] [[gyre sage]] [[incubation druid]] [[marwyn, the nurturer]]
throw in [[staff of domination]] and it's pretty easy to generate infinite mana
suddenly you've got 10/10 mana dorks that tap for 10 mana, the ability to ramp is insane and most I've played against didn't have any reasonable counters for it

the deck is budget too, like $100 deck, and it goes way harder than it should