Meiling, Stalwart Gatekeeper

Vigilance
Meiling, Stalwart Gatekeeper enters the
battlefield tapped with 5 stun counters on it
{2}: Untap Meiling, Stalwart Gatekeeper. This
ability costs {1} less if a creature entered the
battlefield under an opponents control this turn.
This ability costs {1} less if you've been attacked
this turn.