Euden, Scion of Alberia

Vigilance
When a creature enters the battlefield under your control, you may pay {1}. If you do, that creature
enters the field with a +1/+1 counter on it.
Whenever you cast a creature spell, if you paid its shapeshift cost, it enters the battlefield with a
+1/+1 counter on it.
"We've got grand adventures ahead of us."