Lost Memento

Torn Memento: Left Side, Torn Memento: Right Side, and the resultant Lost Memento are items.

Standard Use

 * If you don't have the other half: Nothing occurs besides the item going on cooldown.
 * If you have the other half: The 2 halves are joined into a Lost Memento. (Unknown if enchantments are kept.)

Standard Use

 * If used during your turn: You have a Forced End and go to the Memento Of Love event.
 * If used during another player's turn or during Round Effects: ???

Events

 * Melt the Ice Inside The Cave
 * Pile Of Rubble in Princess Bubblegum's Lab in Ooo
 * Dig with Shovel in Ooo or at The Beach

Items

 * Open a Tome Of Magic

Torn Memento: Right Side

 * Generic item-givers

Events

 * Dig with Shovel in The Wild West
 * Trade with the Indian chief in The Wild West

Items

 * Open an Enchiridion

Items

 * Torn Memento Half's standard use

Strategy
TBD