Supreme Dragontree of Annihilation, Griphogila Vartex

[AUTO]:When this unit is placed by riding, put a Gripho Eschatologui token into your order zone. [CONT](VC):During your turn, this unit gets [Power] +10000/[Critical] +1. [CONT](VC):If the total number of <Hydragrum> and Dragontree markers on your (RC) is ten or more, this unit gets [Power] +10000. [AUTO](VC)[1/turn]:When this unit attacks a vanguard, choose a face up Calamity card from your ride deck, and remove it. If you did not remove a card, choose a trigger unit from your ride deck, reveal it, activate all of its trigger effects and additional effects, remove it, and [Stand] all of your rear-guards on (RC) with Dragontree markers.