Orphea, the Raven Queen

: As Orphea, the Raven Queen enters the battlefield, create a 1/1 black Bird creature tokens with flying.
: The number of loyalty counters on Orphea, the Raven Queen is equal to the number of Birds you control.
0: Create a 1/1 black Bird creature token with flying, then target creature gets -1/-1 for each Bird you control until end of turn.