Duncan Crowley [US] (8/4/1), Terapagos ex/Noctowl 169
In Standard, it can be cast on Turn 2 after casting either Gilded Goose or Arboreal Grazer, and it plays particularly well with either one, in that Oko and Gilded Goose each make Food for the other one, so you can keep making mana or keep making Elks as needed, and with Arboreal Grazer, you can immediately turn the Grazer into an Elk and attack for three on Turn 2
Grimmsnarl itself is a really great card, thanks to its ability .which powers itself up with energy
If you want to dive into the enigmatic world of Psychic Pokemon in your deck, Basic Psychic Energy cards are a must
Thats the new total cost of the card, and you can delve up to five cards to pay this additional cost since it now costs 5 generic mana instead of 4