Shadow in the Warp Shadow in the Warp does two things Gruul likes to do: cost reduction and damage
While its reliance on XYZ material means you wont be able to use this effect more than once or twice, having this option makes an already useful card one of the best Zombies in the TCG
game that doesnt follow the standard rules of the game, and is one that I never played
This appears to have been the common understanding of Mind Crush in organized play under UDE for quite some time after 2005, as explained as late as 2008 by ness00 of the Organization: Mind Crush's most agreed upon resolution is: -If your opponent doesn't have any copies, s/he shows his/her hand to verify, and proceed as Mind Crush says (you discard one of your Cards at random)
Imminent Doom (Quick- Play) Send all cards from your Deck and Extra Deck to the Graveyard and make your LP become 100 and Send all cards on your side of the field to the Graveyard
Title passes upon the fall of the auctioneer's hammer to the highest acknowledged bidder subject to the Conditions of Sale set forth herein, and the bidder assumes full risk and responsibility