Kess, Dissident Mage [Streets of New Capenna Commander] Standard Size how would I know it

how would I know it worked

{1}: Shorecrasher Elemental gets +1/-1 or -1/+1 until end of turn

Set: Beta Edition Type: Sorcery Rarity: Common Cost: {2}{R} Destroy target land

durable cover and 20 integrated 18-pocket-pages for all standard and Japanese sized gaming cards

Set: Commander 2021 Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{W} Enchant creature

Kess, Dissident Mage [Streets of New Capenna Commander] Standard Size how would I know itSet: Streets of New Capenna Commander Type: Legendary Creature Human Wizard Rarity: Mythic Cost: {1}{U}{B}{R} Flying Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead. "Loss has no meaning here. You cannot take from those who have nothing."