Cards List
Billowing Shriekmass
Foundations (FDN)
Find the best Standard decks for Billowing Shriekmass, it's winrate, popularity and the MTG Arena formats where it is legal!
Flying
When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.)
Threshold — This creature gets +2/+1 as long as there are seven or more cards in your graveyard.
Creature
Standard
Explorer
Alchemy
Historic
Timeless
Brawl
Uncommon
Spirit