Dryad Arbor (5) [From the Vault: Realms] Aura Activate only during the declare

Activate only during the declare attackers step and only if you've been attacked this step

Set: Battle Royale Type: Enchantment Rarity: Uncommon Cost: {W} At the beginning of your upkeep

Search your library for an artifact card

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U} Change the target of target spell with a single target unless that spell's controller pays {2}

that permanent's controller mills a card

Dryad Arbor (5) [From the Vault: Realms] Aura Activate only during the declareSet: From the Vault: Realms Type: Land Creature Forest Dryad Rarity: Mythic (Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")