Oskar, Rubbish Reclaimer (Promo Pack) [Streets of New Capenna Commander Promos] 141 The earth's real treasure is

The earth's real treasure is far deeper

if the top card of your graveyard is an instant or sorcery card

any damage done by attacks from the Defending Pokémon is reduced by 30 (before applying Weakness and Resistance)

When Combustible Gearhulk enters the battlefield

Oskar, Rubbish Reclaimer (Promo Pack) [Streets of New Capenna Commander Promos] 141 The earth's real treasure isSet: Streets of New Capenna Commander Promos Type: Legendary Creature Human Wizard Rarity: Rare Cost: {3}{U}{B} This spell costs {1} less to cast for each different mana value among cards in your graveyard. Whenever you discard a nonland card, you may cast it from your graveyard. "So many fools think throwing something away is the same as disposing of it."