Nikstar, Roblox Master

when Nikstar, Roblox Master enters the battlefield, Summon 10 zombie tokens with decayed. Whenever a friendly zombie token dies, put a 1/1+ counter on Nikstar, Roblox master. When Nikstar, Roblox Master dies, Gain 1 life for each zombie that died while Nikstar, Roblox master was alive.