She does a much better explanation of the sections than I do
Such a trade can only be proposed in the postgame after Yami Marik has been defeated, if the player has a copy they can trade away, and in the case where a god card is offered by the opponent, the opponent has said god card
But also old news, everyone knows this
If it's such a powerful card, it's going to be hard to put out
In fact, Walking Wake and Iron Leaves are the mascots for the set and will be featured in many of the thematic products, from boosters to Pokmon TCG: Temporal Forces Elite Trainer Boxes
The key factor making Synchro decks tricky to pull off is that unlike fusion decks where cards can be tributed from your hand provided you have the appropriate fusion spell card, all synchro tribute cards have to be summoned to the field to be eligible