Attacking with Caesar in play triggers his ability, though it requires you to sacrifice a creature to fully use it
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You also get to crash the Titanic, over and over again...flavor win
A 4-mana 2/5 that can crank out 2/2s is a nice mana sink, and it actually combos pretty well with itself, since you can just choose to use that ability rather than cast spells, and that allows you to still add to the board while getting to transform the Child into its werewolf form, which will be making that same token into a 3/2 -- and pumping your whole board in generally is pretty nice
Now that Vadrik is nice and buff, its time to sling some serious spells
To get the most out of him, you'll want to build a deck that can get Zombies out onto the battlefield while also having ways to reanimate them from your graveyard