mystery booster 2 convention in a box round 2 pulled two foils reprints of iconic Magic staples Mystery Booster 2, Festival in

Whenever a creature you control enters, you may return this Aura to its owner's hand

It furthermore, provides the player with a secondary ability of Emerald Slash, which has a damage of 50 and allows him/her to search the deck for two grass energy-cards and attach the same to any of his/her benched Pokmon while being able to shuffle the deck as well after the ability has been used

If you rely mainly on creatures, which is very possible to do thanks to all the great black options that have been printed in recent years, then Mai offers extra pressure at no cost to you

And while it is likely that Zirda, the Dawnwaker will see play in some fringe combo decks (probably involving Eldrazi Displacer and a creature that makes at least two colorless mana when it enters the battlefield, like Eyeless Watcher) as a normal main-deck card, which puts it ahead of several companions on our list, just how practical it is to build a deck where every permanent in your deck has an activated ability remains to be seen

Is Dumbo, Ninth Wonder of the Universe Hard to Find