Devourer of Memory
{U}{B}
Creature -- Nightmare
2/1
Whenever one or more cards are put into your graveyard from your library, ~this~ gets +1/+1 until end of turn and can't be blocked this turn.
{1}{U}{B}: Mill a card.
Glassdust Hulk
{3}{W}{U}
Artifact Creature -- Golem
3/4
Whenever another artifact you control enters, ~this~ gets +1/+1 until end of turn and can't be blocked this turn.
Cycling {w/u} ({w/u}, Discard ~this~: Draw a card.)