Entei GX 74/73 is a Secret Rainbow GX card and belongs to Secret cards of Shining Legends series
Alternate Art Pokmon Full Art Supporters Full Art Pokmon Special Rarity Pokmon Rainbow Rare Pokmon Rainbow Rare Supporters Gold Items and Energy Cards For Players Utility Pokmon Kricketune V Kricketune Vs Exciting Stage ability is a near perfect echo of a similar ability, Instruct , on Oranguru from Sun & Moon base set
See examples in Evolving Wilds, Misty Rainforest and Boros Garrison
Moreover, the cmc average or our Rogue Tribal is actually even lower if we consider the fact that most cards with Prowl will be played with the Prowl cost most of the time and that cost is in most cases significantly lower than the normal cmc
The option to +1 Oko, Thief of Crowns and turn a target Artifact or Creature into a Green Elk Creature with base power and toughtness 3/3 is what we're really talking about
Lore-wise, Gandalf the White has a fairly vague connection to the original LotR books, working well with legendary creatures in particular
