Eyari, the Sky Blade

Eyari, the Sky Blade has shadow as long as another creature with flying is attacking.
Marked from Above — Cards in hands that are
revealed remain revealed until end of turn.
When Eyari deals combat damage to a player, you
may create X 1/1 white Bird creature tokens with
flying, where X is the number of revealed cards in
their hand. If you don't, you may play a revealed
card from their hand until end of turn.
Tap an untapped Bird you control: Target opponent reveals an unrevealed card f