Janus, Fang of Bolas

Perched —At the beginning of your upkeep, if
Janus, Fang of Bolas is in your command zone,
you may pay 1 life. If you do, Surveil 1.
Haste, First Strike
Whenever Janus attacks, you may pay {b}{r} and
discard a card. Janus deals damage to any target
equal to the converted mana cost of that card.
"We'll pick you out of our teeth..."