Mastering when to spend them is one of the biggest skill jumps a new player makes
Even if you honestly assume that there is no normal summoning of white dragons in this day and age, white dragons can easily crawl out of the hand/deck/graveyard, and sub-white dragons are also treated as white dragons on the field, so the activation conditions are easy
If this is done in such a way that a loop is formed and an effect can be repeated ad infinitum, generating infinite mana, dealing infinite damage, creating infinite creatures tokens - whatever the case may be - then voila
Card art that is cut off and stretched edges of the artwork
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Boomflinger Artifact Contraption Whenever you crank this Contraption, roll two six-sided dice
Heres hoping a whole slew of you are fortunate enough to crack your own golden tickets at prerelease, which is only a scant week and a half away