pokemon card groudon ex (XY42) [XY: Black Star Promos] damage done to any of your Groudon ex in play by attacks is reduced by 20 (after applying Weakness and Resistance) Groudon-EX - 85/160

The other kind of convoke card that always works out is the kind that lets you tap a bunch of tokens for a strong body, ensuring your go-wide deck can also go tall. Zephyr Singer gives your army an instant power bump reminiscent of Venerated Loxodon

When you can transform a card depends on the card itself

This is probably an integral piece to make Rasaad yn Bashir as Commander finally work, and you won't have a hard time finding white creatures with less than 3 power, so Delney, Streetwise Lookout could also be a Commander of its own for go-wide white weenies

Does My Opponent Need to Prove a Creature has Morph

Iono is also a little bit of backhanded sting to the opponent as it also forces them to shuffle their own hand, making it a pretty good 2-for-1 special depending on the circumstances