Seethe Burn Sword

Legendary fragment (2 copies of this card count as
one legendary)
Equip {1}{r}: Equipped creature gets +2/+0,
wither, and trample. If a creature has two copies
of this equipment equipped, the creature gains
double strike and "{2}{r},{t}: Deal 2 damage to up
to two target creatures."
Weapons forged by Ragemoth, from a dragon tyrant's
fangs.