Illustrated by Yeong-Hao Han
You need a lot of artifacts for her to really go off, although the floor on her isn't terrible since most White decks will have at least a few
X have similar attributes in appearance to their predecessors, with a similar holographic border and similar levels of strength, as well as the same level of rarity
They often feature art from prominent Japanese artists, like Liliana, Dreadhorde General, whose alternate art was done by Yoshitaka Amano of Final Fantasy fame
Meanwhile, the effects of this mechanic and Gollum's pitiful 2 Power value makes it unlikely that your opponents would even consider it a threat
That alone is worth a free +1/+1 to your team for the turn, though the triggered ability gets way more interesting when you have multiple sources gaining energy each turn