Use Metal Transfer to move energy from one Pokmon to another to heal a damaged evolution Pokmon with Cheryl or switch out a damaged attacker with a fresh one and power it up with Metal Transfer
In your example the card is from 2012, looking up that year finds the set symbol belongs to Avacyn Restored (AVR)
The Legendary Artifact is most often played in the Modern and Commander formats
You can chain this together with cost-reducing familiars and instant-recurring Mnemonic Walls to blink cards left and right each turn and generate advantage or lock down your opponents combat step with a Stonehorn Dignitary
Collectors will be thrilled by the star power in this set, especially iconic cards like Flareon EX (Full Art), currently valued at over $160, and Sylveon EX (Full Art), which commands a strong price north of $130
I do collect other Pokemon cards as well, but there is something special about the NR