Ludvolk, Forgemaster of Scoria

When Ludvolk, Forgemaster of Scoria enters
the battlefield you may attach an equipment
you control to Ludvolk, Forgemaster of Scoria.
At the beginning of your attack step, if Ludvolk,
Forgemaster of Scoria is equipped, put a 4/4
Phoenix creature with flying onto the battlefield
tapped and attacking. Sacrifice that creature at
the end of combat.