That synergy is a big reason this remains one of the best black cards in MTG for decks built around tight sequencing and resource control
You need to be comfortable shipping your entire collection and waiting while they evaluate it
(At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each player's upkeep, that player sacrifices a green or white permanent of their choice
Maralen, Fae Ascendant does the same with elves plus faeries coming together for a theft-style strategy
But again, Im no pro, and Im sure it wont take long for those who are to pick these cards apart and find all the best (and worst) ways to use them
This is an incredibly potent combo when used with Either Merlin, Goat