Since the developers chose to make opponents have more thematic decks, they have to incorporate cheating mechanics in order for them to be viable
However the common denominator is always Dragon's Rage Channeler (DRC or Darcy, for short) to which I nearly feel obligated to attach Mishra's Bauble considering how tied at the hip both of these cards seem - and to be fair, they generate so much card advantage that it would be foolish to run one without the other
Polarized meaning most of our matchups are closer to 90/10 in either direction rather than 50/50
If you believe you have a card that falls into that category, check eBay comps to see if a similar card has sold in the past 3 months
[But] it would seem highly unlikely to me that someone would break into a card store, steal all of these collectible cards, and then not have a pretty good idea of where to go to to sell those for a profit. The rash of thefts has left some store owners, including Tommy Amaya, on edge
These spells used to be a bit of a gimmick, giving monsters of a specific type a bit of an attack boost or some special effects