If it doesn't exist, then the card is legal
Skip to main content SIGN IN Core Set 2021 Foil: Heroic Intervention Edition: Core Set 2021 Type: Instant Cast: Rarity: R Collector #: 188 Permanents you control gain hexproof and indestructible until end of turn
On the other hand, seeing effects go from common to uncommon (like Doom Blade) is much more controversial, and while almost unheard of, having effects go from common to rare feels horrible because players end up thinking, "Only a few sets ago, I opened this card as a common, and now it's eating up the rare slot where I'm supposed to get an exciting / powerful / playable card?" This psychological feel-bad sums up the biggest problem with the aftermath cards: they simply aren't exciting because nearly all of them feel like commons that you'll open in your rare slot
This helps determine the baseline power level and potential synergies
Just look at this How does one evaluate a card like this in a draft where you can also open Sol Ring, Swords to Plowshares, Flash, Ancestral Recall, The One Ring, Ragawan, Force of Will, Lightning Bolt and all the other very, very powerful cards that are in the Vintage Cube
One copy climbed as high as $4.27, but most NM sales hover around the $2.20 range
