Interdimensional Dragon, Mystery-flare Dragon

:When placed, activate all of the effects below according to the sum of the grades of the face up cards in your bind zone. ・3 or more - This unit gets drive +1 until end of turn. ・7 or more - This unit gets +1 until end of turn. ・13 or more - Choose six of your units, and they get +10000 until end of turn. ・19 or more - At the end of this turn, [discard all of the cards from your hand], and you get an additional turn. You cannot ride during that turn.