Joey, Dark Feaster

When Joey, Dark Feaster enters the battlefield,
exile the top ten cards of your library.
For each nonland permanent exiled this way,
create a food token. Put all cards exiled
this way on the bottom of your library in any
order.
{1}, Sacrifice a food token: Add two mana of
any combination of colours to your mana pool.
—
"Meow" - Joey, Constantly.