Potato Modem

Potato Modem enters the battlefield tapped with
two charge counters on it. Whenever Potato
Modem has zero charge counters, sacrifice it.
{t}: Add one mana of any color.
{t}, Remove a charge counter from Potato
Modem: Add {g}{u}.
10 XP: Remove two charge counters from Potato
Modem, {t}: Search your library and/or
graveyard for an enchantment card named AFK,
reveal it, put it onto the battlefield, then shuffle.