Corbyn, The Thinker

When Corbyn, The Thinker enters the battlefield tap all creatures you don't have control of, for every creature tapped this way create that many Text Tokens that say
"{1} {t} Sacrifice Text Token, Tap Target Creature."
If a Text Token enters or leaves the battlefield Corbyn gains +1/+1 until end of turn, If you control 5 or more Text Tokens tap Corbyn and Create a Conversation Token, if Corbyn the thinker is on the battlefield you get 2x affect from The Conversation