Humans and cycling were two great examples of previous mechanics that let you use old and new cards
The abilities here allow you to add ink while drawing, without having to ink the card itself, allowing you to play late-game cards quicker and gain an advantage
Because card designs usually treat sacrificing as a cost rather than a payoff in itself, they are far less likely to include additional limitations on how often an ability can be used, and youre more likely to get valuable resources (mana, cards, other permanents) out of the exchange
This would at least guarantee a decent value for the cards, despite their lack of functionality
Every Legendary Creature card receives a frame styled to the look and feel of the Dungeons & Dragons Monster Manual, evoking the classic rulebook aesthetic cherished by fans of the tabletop game
More information on this event will be available in the future, so keep an eye on the weekly MTG Arena Announcements