The answer is Q: I cast Bloodbraid Elf, and I cascade into Valki, God of Lies
The first expansion set, Arabian Nights, was released in December 1993, marking the beginning of a tradition where each new set expands the game with fresh mechanics, artwork, and narrative continuity
Cards that mention permanent spells refer to spells on the stack with permanent types
Again, its not as broken as Tolarian Academy (how could it be?), but being able to produce white mana based on the number of enchantments you control can still lead to some truly bonkers turns, especially for Enchantress players
In this instance, that's Awakened Skyclave, a 4/4 Elemental Land with Vigilance and Haste