Firemane Avenger

(T: Add R or W.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Hexproof Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Lazav become a copy of that card, except its name is Lazav, Dimir Mastermind, it's legendary in addition to its other types, and it has hexproof and this ability.

(T: Add R or G.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Double strike Bloodrush — 3RR, Discard this card: Target attacking creature gets +3/+3 and gains double strike until end of turn.