If you have Unconventional Tool in hand: play it, banish it to play Belle for free, then play a 2 ink or less item for free
Once Locke has been blocked, changing its power or the power of the blocking creature won't cause Locke to become unblocked
Bonus sheets from previous sets sometimes have a unifying mechanical theme (in Outlaws of Thunder Junction , for example, all the cards from the Breaking News bonus sheet could commit a crime), but there's no specific mechanical thread connecting these Through the Ages cards
There is an argument to be made about the Final Aeon possession also being part of this mechanic, but I am not really so sure
Cast it on a later turn for its foretell cost.) Because exiling a card with foretell from your hand is a special action, you can do so any time you have priority during your turn, including in response to spells and abilities