If X is between 2 and 4, youd rather draw a bunch of cards, but if you can get to an X of 6 or greater, then its time to make somebody else draw 64 and probably lose the game
That makes it a great card in a vacuum, and even better in a dedicated tokens deck
Hope Estheim Rarity: Rare TYPE: Legendary Creature SUBTYPE: Human Wizard CMC: 2 Mana cost: USD: $2.24 EUR: 1.75 TIX: 0.02 EDHREC RANK: 6227 (2/2) Lifelink At the beginning of your end step, each opponent mills X cards, where X is the amount of life you gained this turn
I remember paying $7 for one
Especially in a synergy-rich environment like Commander, life totals feel closer to the energy mechanic from Kaladesh an alternate resource which can be given and taken from players freely without destabilizing other areas of balance
The board looks harmless one turn and lethal the next, and your opponents know it