{X}{X}{T}: Summon X 3/1 black infested marine tokens

{T}: sacrifice 5 token creatures under your control. Prepare this card

2/5

Parasitic Infestion{BG}{BG}{X}

Sorcery

Take control of a target creature where X is the manacost of the creature. If you take control of another creature this way, or Infestor leaves the battlefield, return the stolen creature to its original owner.