Haste on a 5/5 body isn't anything too impressive, but also giving your entire team trample and a big numerical buff based on the total size of that team means that Craterhoof Behemoth is the go-to green creature when you need your opponent dead in a single turn
Serras ultimate has been the center of several discussions among my playgroup this year
The deck has two main goals: to build a large army of human creatures, and to pump the army of humans through dozens of anthem and +1/+1 counter effects, allowing you to attack with a massive army of huge creatures
This card forces each player to put all of the cards in the field, in their hand, and in the graveyard back in their deck before shuffling them
It also means you can protect your threats by simply replaying them if something goes wrong
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