
Whenever a blue creature you control enters, you may have target player draw a card.
Whenever a black creature you control enters, you may have target player discard a card.
Dire Undercurrents has 3 printings, first in Shadowmoor (2008). EDHREC ranks it #14,860 among Commander cards. It appears most in Oona, Queen of the Fae decks (684 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.