When it's defeated, exile it, then cast it transformed.) When Invasion of Kylem enters the battlefield, up to two target creatures each get +2/+0 and gain vigilance and haste until end of turn
Bygone Bishop gives you some real card advantage, and Ranger of Eos is essentially a board-in-a-box in Oketras presence
And finally, having a lot of good synergy with your decks theme
Whenever a land enters the battlefield, that lands controller creates a 2/2 blue Bird creature token with Flying
Surge Trainer Rare 102/132: Misty Trainer Rare 103/132: No Removal Gym Trainer Stadium Rare 104/132: The Rockets Training Gym Trainer Stadium Rare 001/132: Blaines Moltres Fire Rare Holo 002/132: Brocks Rhydon Fighting Rare Holo 003/132: Erikas Clefable Colorless Rare Holo 004/132: Erikas Dragonair Colorless Rare Holo 005/132: Erikas Vileplume Grass Rare Holo 006/132: Lt
Of course, in its Delta Species form, this Espeon is both a psychic type and a metal type an interesting combination which surely impacts this cards near-$50 price point
