This has a couple of effects: You can counter or otherwise avoid the delayed triggered ability with Stifle or something which stops a triggered ability, or Sundial of the Infinite or another way to avoid the next End Step
One great thing about this interaction is that it entirely dodges Orcish Bowmasters: MTG Lord of the Rings' recent answer to card draw that's become meta defining in a bunch of formats
The 6th generation introduced pokemon x and y generation, generation 6 pokemon games, generation 6 pokemon starters, generation 6 mythical pokemon, and generation 6 legendary pokemon, while the 7th generation brought pokemon sun and moon generation, pokemon moon generation, pokemon sun moon generation, generation 7 legendaries, and generation 7 pokemon
You are presented with a set of cards from your deck that you can either keep or discard
This card cannot leave defense position until "Toriel" isn't on the field
I especially like how closely Living Energy hews to the original feeling and gameplay goals of the first Temur Energy decks in Standard