The Olympia Sisters

Dream {w/u}{u/b}(You may pay in addition {w/u}{u/b} as you
cast this spell. If you do, choose another nonland permanent type.)
Dreameweave - Whenever a permanent of the
chosen type you own enters the battlefield, you
may draw a card.
{t}, Tap target untapped human you control:
Return target nonland permanent to owner's
hand.