The most valuable tins tend to be those from the earliest years of the game (2002-2006), those with the most desirable promo cards, and those from limited production special releases
The Twelfth Doctor The Twelfth Doctor gets two +1/+1 counters each time you cast a spell from your graveyard or exile because of its demonstrate ability
In the late game, Kumena can keep your amphibious army loaded up with +1/+1 counters
You can only use each effect of "Illusion of Chaos" once per turn
So, when you see a random card go from $2 to $20 or from $50 to $300, your natural reaction should be to think that the post-spike price probably isn't real (here, it's worth mentioning that this is specifically with regard to buyoutswhen you see a Standard staple increasing 20% or 50% each week for several weeks, that price is likely legitimate)
Weakness: Fire Resistance: none Retreat: 1 Blaziken VMAX - Fire - 320 HP Pokmon - VMAX - Evolves from Blaziken V R Clutch 60 During your opponent's next turn, the Defending Pokmon can't retreat