all discover cards mtg Curator of Sun's Creation (The Lost Caverns of Ixalan) Discover - MTG Mechanics Explained

No, that's not it either

As it stands though, I think this card is mid

Cryptolith Fragment / Aurora of Emrakul Invest in crypto

In addition, we have seen a few cards that can come back from the Discard directly or through songs or the abilities of cards like Lady, Miss Park Avenue and this can lead to a number of interesting strategies

Voidwalker's success comes from pressuring life totals while completely cutting opponents off from graveyard plays

When the Oracles trigger is on the stack, you can cast Endurance, and if they have three or more cards in their graveyard and/or still have cards in their library, the Endurance trigger will leave them with more than two cards in their library and the trigger will fizzle