Arid Mesa (Expeditions) [Zendikar Rising Expeditions] DP30 or if your opponent activates

or if your opponent activates a monster effect (except during the Damage Step): You can target 1 face-up card your opponent controls

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Legendary Creature — Elf Shaman Rarity: Rare Cost: {3}{R} Whenever Delina

Set: The List Type: Legendary Planeswalker — Ajani Rarity: Mythic Cost: {2}{W}{W} +1: You gain life equal to the number of creatures you control plus the number of planeswalkers you control

they sacrifice it unless they pay its echo cost

Arid Mesa (Expeditions) [Zendikar Rising Expeditions] DP30 or if your opponent activatesSet: Zendikar Rising Expeditions Type: Land Rarity: Mythic {T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.