Beren Erchamion

Hexproof, lifelink
{1}{w}{w}: Beren Erchamion cannot be blocked this
turn
Whenever Beren Erchamion deals damage to an opponent, you may sacrifice it. If you do, you
create a colourless artifact token named Silmaril
that has "At the beginning of your end step, you
draw two cards and you gain 4 life."