The Legarius Decoction

This spell can't be countered
As an additional cost, sacrifice any number of permanents. Spells you cast cost X less and
creatures you control get +X/+X and gain indestructible, hexproof and flying until end of
turn where X is the number of permanents sacrificed this way.
"Are you sure this thing is going to work?"
"It has to. For all our sakes"
- Darrix to Maester Adronus