By using Opposition with Ashnods Altar, you can keep making tokens with Hylda, tap that token to tap an opponents creature, sac the toke to create two mana, and then repeat until everything is tapped down and no one can touch you
The first major change coming to Adventures is that Wilds of Eldraine will have multicolored Adventure cards, with spells requiring different mana color commitments for the creature and the adventure
While the Merry bells keep ringing, Happy Holiday to you
The total mana investment is comparable to actual Future Sight, but Id want to be interested in the 0/4 body or equipment before I really cared to play it
The only problem is that, frankly, the majority of them sucked
Late in each game, there are a few interesting choices while trying to mix scoring points on quests with eliminating some of my own characters to slow down a massive scoring engine across the table