Satoko, Gamemaster

Whenever a creature you control becomes equipped or deals combat damage to another creature, gain {c}. This mana can only be used to activate abilities.
{2}: Search your library for an Equipment card, reveal it, then shuffle your library.

At the beginning of your end step, if Satoko, GameMaster is the only creature you control, you may search your library for an Equipment card or a card named Rika, Indomitable Player and put it onto the battlefield under your control. Then shuffle your library.