Goryo's Vengeance [Betrayers of Kamigawa] Core Set 2019 The first explorers found Argoth

The first explorers found Argoth a storehouse of natural wealth—towering forests grown over rich veins of ore

but the pain teaches perspective

where X is the number of cards in your hand minus 4

The results of Rashmi's experimentation forced her to consider the possibility that multitudinous realities existed beyond her own

Goryo's Vengeance [Betrayers of Kamigawa] Core Set 2019 The first explorers found ArgothSet: Betrayers of Kamigawa Type: Instant Arcane Rarity: Rare Cost: {1}{B} Return target legendary creature card from your graveyard to the battlefield. That creature gains haste. Exile it at the beginning of the next end step. Splice onto Arcane {2}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)