Rat

Players may draw from any library during their draw step. If a player drew from another's library and don't cast it, the spell's owner exiles that card.
{2}{u/b}: Any player may discard their hand and activate this ability. They replace their hand with cards they currently have exiled from play
{r}{r}: Rat creatures gain +1/+1 until end of turn.
"Hhhn... hehehe"