It's something you have to build around a little bit, but if you do, you have some really powerful recursion and a really straightforward engine to start getting pretty crazy value from sacrificing off your bigger creatures
Then give this nasty leader both flying and indestructible with at least six mana there
Whenever a creature with a bounty counter on it dies, put two +1/+1 counters on Shay Cormac
Legendary Creature - God Color tag templates(None) Spirit of the Aldergard When this creature enters, search your library for a snow land card, reveal it, put it into your hand, then shuffle
Since Toxic Deluge gives the creatures -X/-X, it is a good way to get around indestructible, since creatures cannot have zero toughness, regardless of their indestructibility, and destroys those creatures regardless