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This card is from Sun and Moon Ultra Prism - An Unknown New Dimension!
Leafeon GX is set to be an amazing card, with is Grand Bloom GX move evolving any basic Pokemon you have on your bench by searching for the cards out of your deck. It could be a great addition to Decidueye, pulling the attack off on your first turn (as long as you go 2nd) will allow you to evolve up to Deciueyes in your 2nd turn! Is this Pokemon...
Infernape's ability puts 6 damage counters on a burnt Pokemon between turns instead of the usual 2.
Glaceon GX, another Eeveelution in the set. Glaceons ability, Freezing Gaze will turn off any abilities on your opponents EX or GX Pokemon, unless they have Glaceon GX too where their Freezing Gaze ability will work too.