Whenever one or more cards are put into your graveyard from your library, this creature gets +1/+1 until end of turn and can't be blocked this turn.
{1}{U}{B}: Mill a card.
Mana cost
U
B
Mana value
2
Printings
From
$0.18
EDHREC rank
#22242
Buy
Formats
Pioneer
Legal
Modern
Legal
Legacy
Legal
Vintage
Legal
Commander
Legal
Rulings
24 Jan 2020
Once Devourer of Memory has been blocked, resolving its triggered ability (perhaps by activating its activated ability) won’t change or undo that block.
24 Jan 2020
Devourer of Memory’s triggered ability grants it just +1/+1 each time cards are put into your graveyard from your library, no matter how many cards are put there at once.