Lethe Lake, Where Time Sleeps

{u/b},{t}: Create a 2/2 blue Illusion creature token with flying and dissipate.
{x},{t}: Target opponent puts the top X cards of his or her library into his or her graveyard.
{x}{u}{b},{t}: Target opponent exiles the top X cards of his or her library.
There's much scarier on Iquitana than narcomoebas.