Make whatever you want
Theyre only legal in casual play if players agree to play the Commander Planechase variant, where players have individual or shared planar decks and play with the effects of the planes
If the Modern energy deck works, this red creature can toss out all sorts of bigger cards, as well
Finally, as I am putting the cards away from the tray into boxes (or binders, as I do have a few for master sets) I catalog everything on my inventory spreadsheet
The set also introduced Droll and Lock Bird, which is one of the best hand traps in the game, and Formula Synchron which in hindsight, is very much a prototype of what I:P Masquerena could do
The first effect is a great way to recycle your Labrynth big monsters, or can be combined with some other Loading