SOK: Sakashima the Impostor NEO Ancient Ooze's power and toughness

Ancient Ooze's power and toughness are each equal to the total mana value of other creatures you control

one to four investigators travel to Hemlock Isle

and all tamers dream of taming dragons

Then create a 2/2 red Rebel creature token that's tapped and attacking for each experience counter you have

lakes swimming with fish and cold freshwater flowing from the mountains

SOK: Sakashima the Impostor NEO Ancient Ooze's power and toughnessYou may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step."