Pairing it with Zealous Conscript creates an infinitely large army of 3/3 creatures with haste, pairing it with Worldgorger Dragon gives you infinite mana and infinite enter-the-battlefield triggers, and pairing him with Combat Celebrant gives you infinite combat phases
If built well, this deck could serve you very well for years to come
However, effects like Whispersilk Cloak, Timely Ward, and Spirit Mantle mitigate that well thanks to Myrels static ability, which all but guarantees they wont be blown out by instant-speed removal in response
Along with the announcement of the release date decision, were sharing new video
Note that you and your opponent can both have Nissa, Steward of Elements in play, but you and your opponent cannot have more than one of them on your respective sides of the battlefield
It doesnt produce any mana and it instead gives an ability to every creature on the board that causes them to be destroyed unless the person controlling them keeps paying mana to prevent this from happening