kkoonin thought loopeer-mage

{u}{7}{t}: target player puts the top 13 cards of there library into there graveyard.
{b}{1}{t}: scry 2. if you pay an extra {u/b}{u/b}, you scry another 2 cards and draw 4 cards.
{r}{x}{t}: this deals X damage to a token creature (you can even own it.) if you pay an extra {p/r}, it can target anything.