But with such a powerful effect as having mana generation on a creature, it's also something that can spiral out of control
If you cast a spell with demonstrate, and if both you and an opponent copy it, the opponent's copy resolves first, then your copy resolves, and then the original spell resolves
This is mainly because they are not very effective against several types , including a few meta favorites like Fire, Rock, Ground, Ghost, Steel, and some more
Stability is OK on the iPad, but Android players have suffered from frequent crashes
I did some research on eBay sold listings and saw a couple examples of gray stamp cards selling at a premium
The keyword seems to have been received poorly, as the rules can be confusing, and many players dont want to give opponents a free copy of a spell