If, for example, an opponent tries to exile your Valgavoth, Terror Eater with Scavenging Ooze, you can shuffle it into your deck to keep it safe until a more opportune moment to reanimate it arises
A3a-060 is solid on its own, but A3a-061 is where things get crazy100 damage for just 2 Energy, as long as you played a Supporter that turn
Please inspect the images carefully to assess the foil surface and edge condition
That includes new Alpha cards, and you'll be the first one to know when the cards you are looking for are available!
This gives you free reign to do whatever you like on your turn, with the only things you need to worry about being an instant-speed Planeswalker ability (like Teferi, Master of Time) or a land's ability (like a channelled Eiganjo, Seat of the Empire)