Immolating Blademaster

Affinity for Equipment (This spell costs {1} less to
cast for each Equipment you control.)
Dual wield — As long as this creature is
equipped with exactly two Equipment, it has
"Whenever this creature attacks, it gets +X/+0
until end of turn, where X is its power."
As long as Immolating Blademaster is equipped,
it has double strike.