Whenever you gain life, each Advisor, Artificer, and Monk you control gains vigilance and gets +X/+0 until end of turn, where X is the amount of life you gained
Ardbert, Warrior of Darkness Assault Intercessor Chief of the Edge Chief of the Scale Cliffhaven Vampire Estinien Varlineau Hardened Tactician Marshal of the Lost Putrid Warrior Sister Repentia Zahur, Glory's Past
Energy acceleration, the ability to attach more than one Energy card per turn or attach Energy from places other than your hand, is a cornerstone of many powerful competitive decks
First Edition Cards Are Pretty Valuable Whether it's nostalgia driving value or people just want to complete their collection, Yu-Gi-Oh
There are loads of other cards (too many to mention) that are valued anywhere from $20 on up to $100 too
For instance, some sellers might promise that every box is worth more than its cost, but they could be basing that value on inflated prices or using cards that, while technically valuable, have very low market demand
