Dire Undercurrents
{3}{U/B}{U/B}
Enchantment
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.
Hag Hedge-Mage
{2}{B/G}
Creature -- Hag Shaman
2/2
When ~this~ enters, if you control two or more Swamps, you may have target player discard a card.
When ~this~ enters, if you control two or more Forests, you may put target card from your graveyard on top of your library.
Hollowsage
{3}{B}
Creature -- Merfolk Wizard
2/2
Whenever ~this~ becomes untapped, you may have target player discard a card.