Watchful Guardian

When Watchful Guardian enters the battlefield,
create Mom, a legendary 1/1 white Human
creature token, and Dad, a legendary 1/1 white
Human creature token.
{2}{w}: Create Mom, a legendary 1/1 white Human creature token, or Dad, a legendary 1/1 white
Human creature token.
If you control both a Mom token and a Dad
token, Watchful Guardian has +4/+4, Vigilance,
and Lifelink. If you do not, Watchful Guardian
has +0/+2, Indestructible, and Defender.