The Vow megacycle is a more obvious if expensive example: theyre straight-up buffs for your creatures, goad effects in multiplayer, or Guard Duty in a 1v1 situation
Black Bolt still has plenty of cards worth chasing beyond the toppriced highlights especially for collectors who prize atmospheric art and strong Unova lore
Bronze Tablet and Curse of the Bloody Tome may not be the fairest comparison, but one cant argue with the difference in details depicted in one versus the other
If I had to venture a guess, Id say most decks should run no more than 20 but thats a ballpark figure
25, the Mega Charizard X ex Ultra Premium Collection has dropped to $179.16 at Amazon, which is matching TCGplayer's market value
Its our Bigfoot, our Loch Ness Monster