Eragon Rider

({p/c} can be paid with {2} or 2 life)({p/r} can be paid with {r} or 2 life)({p/w} can be paid with {w} or 2 life)({p/g} can be paid with {g} or 2 life)({p/u} can be paid with {u} or 2 life)({p/b} can be paid with {b} or 2 life)
flying, double strike, indestructible, and hexproof. when Eragon Legendary rider enters the battlefield destroy all permanents with converted mana cost equal to the amount of life youse to cast Eragon Legendary rider. Eragon Legendary rider gets -1 -1 for each life spent to cast