Rockslide Ambush [Portal Three Kingdoms] Legacy "While most overworlders fortunately don't

"While most overworlders fortunately don't realize this

As Breeding Pool enters the battlefield

then exile any number of them and put the rest back on top of your library in any order

Set: From the Vault: Relics Type: Artifact Rarity: Mythic Cost: {1} {T}: Add {C}{C}

Set: Eternal Masters Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with converted mana cost X or less

Rockslide Ambush [Portal Three Kingdoms] Legacy "While most overworlders fortunately don'tSet: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {1}{R} Rockslide Ambush deals damage to target creature equal to the number of Mountains you control.