Baldr, God of Light

Hexproof, prowess, vigilance, menace
protection from white, blue, black, and red.
All creatures you control have +3/+3 and lifelink.
If Baldr, God of Light is sent to the graveyard,
you may pay {w}{w}{w} to regenerate Baldr,
God of Light with double strike and
indestructible.
What did Odin whisper into the dead Baldr's ear?