chill mtg card (Card) tap enchanted creature Chill to the Bone

You don't need to be an expert at coordinating suspend cards, you just need to bathe in abundance because any spell you cast has the capability of getting doubled for free

That said, how does that stack up in the pile of OP blue spells that cost four or more

They reprinted Exquisite Blood in a Commander precon (technically it was in Jumpstart (2020) and added to The List that same year, those are not reliable ways to obtain a copy and are a clear reason why Bloodthirsty Conqueror is a chase card from Foundations )

It provides massive swings: You get to clear aside a blocker and make one of your creatures stronger

The last block of text gives us reach and a way to win the game without combat (if the aforementioned Ensnaring Bridge is ruining our fun, for instance)