Shatter the Sky [Theros Beyond Death] Token you may cast the discarded

you may cast the discarded card without paying its mana cost

Set: The Brothers' War Commander Type: Artifact Rarity: Uncommon Cost: {2} {1}

my question to you is—why not

Set: The Brothers' War Type: Sorcery Rarity: Uncommon Cost: {B} Target opponent reveals their hand

Set: March of the Machine Commander Type: Creature — Phyrexian Angel Rarity: Uncommon Cost: {3}{W}{W} Flying

Shatter the Sky [Theros Beyond Death] Token you may cast the discardedSet: Theros Beyond Death Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Each player who controls a creature with power 4 or greater draws a card. Then destroy all creatures. When the gods go to war, mortals pay the highest price.