Ganvaya, the Seeker

When Ganvaya, the Seeker deals combat damage to a player, you become the monarch.
As long as you are the monarch, untap all permanents you control with activated abilities during each opponents' untap step.
Discard a blue card: Ganvaya gains hexproof until end of turn.
Discard a white card: Ganvaya gains skulk until end of turn.