Ninja Grenade

Utilize {1}{r} - Ninja Bomb deals 2 damage to any target. Scry 1. (Pay {1}{r} and reveal this artifact
from your hand. When this ability resolves, put Ninja
Bomb in your graveyard. Activate this ability only as
an instant and it counts as an instant spell. )
{t}: Add {r} or {c} to your mana pool.
{2}{r}, Sacrifice Ninja Bomb: Ninja Bomb deals 2 damage to any target, scry 1.