Even in an exclusively Selesnya deck, a mana dork that taps for 2 mana provides a huge jump in value by leaping up the mana curve before your opponents have a chance to catch their breath
Krav, the Unredeemed + Regna, the Redeemer Krav, the Unredeemed and Regna, the Redeemer are the most expensive paired partners to cast, and it hurts their playability
The goal of MDFC Gods is to give them a use when you have multiple legendaries in hand, and this is a really great piece of design
Primal Prayers Green, which dominated the energy game in the old days of 2016, has few new energy cards that matter
For example, Game Trail requires you to reveal a Forest or a Mountain, while Fortified Village requires you to reveal a Forest or a Plains
Maybe you bait them into attacking you, which is a natural reaction of a Magic player who has their cards used against them