It sounds simple, but because there are few restrictions on who, or what, you can damage, it allows you to target cards that are Evasive, cards that aren't exerted, and, really, any card with willpower
The downside of Tocasias Welcome is that it will only trigger once a turn, but with a way to create tokens at instant speed or by casting cards with flash, you can trigger its draw effect on your opponent's turn
You can find singles for all of these for fairly cheap elsewhere
Set boosters have at least one art card with a 5% chance of the art card featuring a golden signature
First introduced in Wilds of Eldraine, the Adventure mechanic allows players to cast the Adventure half of a card, then later cast the other half from exile once the Adventure resolves