Generally, most players will seek to turn monsters on the board or in the graveyard into Continuous Spell Cards
I think it's fine to stack 3 of them since Impact also serves as a search card
Every New Avatar: the Last Airbender Card Revealed for Magic: The Gathering Not counting a new, Avatar -specific version of the clue token, a cycle of "Appa basic lands," and the flip-side of double-faced cards, there are 13 new cards from the main Avatar set debuting today
You can keep submitting all the codes from your cards if you want to reap all of your rewards at once
For now Im sticking with Transgress the Mind, but if the target shifts to control decks, I might in turn shift towards Lay Bare the Heart, as it picks off cheap interaction
If you're playing a commander such as Prosper, Tome-Bound or Eruth, Tormented Prophet, it won't even be hard to just cast this from exile for 3 mana