This versatile engine adapts to any game state while improving overall deck consistency
There are many other cards in Revival Trance that can also either revive the dead or be cast from the graveyard
I tend not to play planeswalkers or Wheel of Fortune in RDW as they cost too much mana, I also tend not to play Chaos Warp or Tangle Wire as they don't deal damage and can wind up as dead cards too often
The most expensive variant of Lord Windgrace is a Secret Lair release
The problem here is the current environment for collecting in 2021, as smpratte mentioned, nowadays is just too volatile, speculators, hypedriven, etc
Getting online on turn 3 means your 1- and 2-drops benefit from the ability, though note that Gix extends its ability to your opponents as well