Arid Mesa [Modern Horizons 2] U-CRU102 You can only use this

You can only use this effect of "Ascension Sky Dragon" once per turn

Set: Ikoria: Lair of Behemoths Promos Type: Legendary Artifact Rarity: Rare Cost: {1} Whenever a creature you control leaves the battlefield

Set: Promo Finish: Rainbow Foil Type: Instant Rarity: Promo Class: Generic Cost: 0 Name an action card

if you control seven or more lands

Set: EX: Emerald Type: Colorless Rarity: Secret Rare Retreat cost: Colorless

Arid Mesa [Modern Horizons 2] U-CRU102 You can only use thisSet: 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.