Arid Mesa (Extended Art) [Modern Horizons 2] Rivals of Ixalan Promos Set: The List Type: Legendary

Set: The List Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {10} When you cast this spell

Set: War of the Spark Promos Type: Sorcery Rarity: Mythic Cost: {X}{G}{G} Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield

Set: Portal Three Kingdoms Type: Creature — Horse Rarity: Uncommon Cost: {3}{G} Islandwalk (This creature can't be blocked as long as defending player controls an Island

Artifact construction required immense resources

Arid Mesa (Extended Art) [Modern Horizons 2] Rivals of Ixalan Promos Set: The List Type: LegendarySet: Modern Horizons 2 Type: Land Rarity: Rare {T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.