They can be pretty tricky to work with, however, since being behind on lands isnt really where you want to be in most games
Now you decide if you want to take the offer or not
A 3/3 with lifelink for four mana, Orah can make dealing with its controller's Clerics quite difficult, allowing them to be easily returned from the graveyard to the battlefield
Both these cards play around the lifegain theme, which is hugely popular in Commander already
It wasn't the fact that they just started - they actually were in it a little bit longer than people have known - it's just that it started to go viral. The last time Pokmon cards saw such a significant rise in interest was in the wake of Pokmon Go, the hugely popular mobile app that became the summer phenomenon of 2016
Opal has had a particularly strong showing, notably appearing in several artifact stuffed lists that aim to win the game with a kitted-out Kappa Cannoneer, while Green Sun's Zenith showed up in a modified Yawgmoth list, as well as an Elementals deck running Omnath and Risen Reef