Jari Versengold, the Trickster

Artifact spells you cast cost {1} less to cast.
Sneak Attack - Whenever Jari Versengold, the Trickster deals combat damage to a player, you
may put target permanent card from that
player's graveyard onto the battlefield
under your control.
Darkvision - {u/b}: If you attack, choose head or
tails and flip a coin. If you win th flip, Jari Versengold, the Trickster can block or
be blocked by only creatures with shadow.