Relic Sword of Helgni

When this relic enters the battlefield, if all other Helgni
Relics are on the battlefield under your control, Summon
"Helgni, Above Time" to the battlefield under your
control and sacrifice all other Helgni Relics.

{t}{u}{u}, Equip to target creature. Target creature
becomes untapped and gains haste and first strike.

{t}{u}{10}, Each opponent loses life equal to the number of
creatures under their control.