In the OCG / TCG the materials were simplified again: The Fossil Dragons all require monsters with particular Levels from the opponent's Graveyard, the Fossil Machines all require Rock monsters from the player's Graveyard, and the Fossil Warriors do not restrict the materials to either player's Graveyard
There are two main variants of ABC to watch out for: True Draco ABC and Standard ABC
Spell Quick-Play Target 1 Beast, Beast-Warrior, or Winged Beast monster you control
(2) At the end of your Battle Phase, if your opponent controls no monsters: You can target 1 of your Buster Blader monsters that did not declare an attack during this turn
I had not seen Sean for a while until he showed up at Goat Format event in Cleveland at Top Table Gaming
The real cherry on top of this sundae is that none of these effects can be responded to with card effects meaning your opponent is absolutely powerless in stopping you from destroying their cards (and having you gain some serious attack stats)