If you are capable of healing your cards, through items, actions, or character abilities, and Beast, Tragic Hero has damage on them at the start of your turn, you can let them attack and then heal them, allowing you to still benefit from the increased strength but keeping them healthy enough to stick around
It makes it so that whenever the enchanted player draws a card, they lose two life and you gain two life
#2: Prime Speaker Zegana I'd be tempted to play Naban, Dean of Iteration in my Prime Speaker Zegana decks even if they have only a handful of other Wizards because doubling up Prime Speaker Zegana's enters-the-battlefield even once is more than worth the two-mana investment of Naban, Dean of Iteration
Iconoclasm Cards
For years, MTGA ate up wild cards if you wanted a specific art for a card you already had four of with the default treatment, now you can collect any printing of a card and it counts for one copy of any style you have of that card
This makes Siege surprisingly relevant in other matchups, even more aggressive ones where life totals matter