Angelic Presence

Whenever an angel enters the battlefield under your control, investigate (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.")
{w}, {t}, Sacrifice a creature: Put a +1/+1 counter on each angel you control. Activate this ability only any time you could cast a sorcery.
"I never trusted angels, especially that Avacyn"
- Edgar Redwood, town crier