We have a Snake flavored Kaseto, Orochi Archmage deck with a lot of fun, Snakes, and budget goodness at $33.91
While the card costs four mana, the Magecraft effect that puts creatures from your graveyard back into your hand can give you the late game fuel youll need to win long grindy games in a Sealed or Draft setting
Some characters also become Leader cards, like the new purple-black King
I cant claim to be such a mastermind as to have picked three mana for my hypothetical for this exact reason, but it is kinda poetic to see that two of the most universal and useful ways to gain incidental life in the format cost three mana at face value
Valentin is a kind of sangromancerhe receives visions from the blood he consumes and can use these visions to learn dark truths about a creature or place
Double the life stakes with each flip