Concord with Bahamut

Choose up to two. If you control a commander,
you may only choose one:
•Each opponent discards a card.
•Each player sacrifices a land.
•Each player sacrifices a creature.
"After the death of Meracydia did She set
dread Bahamut against us.
She did not foresee that we were ready for Him."
-Allagan tomestones referencing The Goddess