Desert Twister is the functional comparison of this card and that bad boy is an unplayable six mana which doesn't seem an unreasonable price for the effect
However, in a Yuma, Proud Protector build, Armageddon isnt used to stallits used to win
Flavor-wise, the card looks like a futuristic Tim Schafer-esque version of the Disney ride Its a Small World, which is so incredibly selcouth
The value of X is calculated only once, as Shimmercreep's last ability resolves
The First Chapter Sapphire & Steel Starter Deck [Defensive Amber Steel Strategy] The Sapphire & Steel Starter Deck focuses on slow, calculated gameplay that leads to 20 Lore through sturdy defenses and resource ramping
But give a man the opening to topdeck his Upheaval or assemble the requisite nine mana for a Tooth and Nail and you are probably back to even, if not just dead