Library of Leng [Collectors' Edition] Siren Pirate there is an additional combat

there is an additional combat phase after the first

Set: The Lost Caverns of Ixalan Prerelease Cards Type: Legendary Creature — Cat Noble Rarity: Mythic Cost: {2}{G}{W} Ward 2

destroy all artifacts and enchantments

except it's an enchantment in addition to its other types

{T}: If you both own and control Hanweir Battlements and a creature named Hanweir Garrison

Library of Leng [Collectors' Edition] Siren Pirate there is an additional combatSet: Collectors' Edition Type: Artifact Rarity: Uncommon Cost: {1} You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.