SHOP: Building this Sengoku Navy shell around Akainu

Advanced Search Sets Random Syntax Aerial Responder Aether Inspector Aethergeode Miner Aethershield Artificer Airdrop Aeronauts Audacious Infiltrator Aviary Mechanic Axgard Braggart Barrowin of Clan Undurr Bastion Enforcer Bruenor Battlehammer Cadric, Soul Kindler Cayth, Famed Mechanist Charismatic Vanguard Consul's Shieldguard Countless Gears Renegade Deadeye Harpooner Depala, Pilot Exemplar Digsite Engineer Duergar Assailant Duergar Hedge-Mage Duergar Mine-Captain Dwarfhold Champion Dwarven Castle Guard Dwarven Lightsmith Dwarven Priest Fairgrounds Warden Gallant Pie-Wielder Gearshift Ace Giott, King of the Dwarves Glint-Sleeve Artisan Gloom Stalker Golden-Scale Aeronaut Goldmaw Champion Hammers of Moradin Hofri Ghostforge Inventive Wingsmith Koll, the Forgemaster Krile Baldesion Lorehold Archivist Master Skald Master Trinketeer Ninth Bridge Patrol Papalymo Totolymo Practiced Scrollsmith Priest of Ancient Lore Radiant Scrollwielder Renegade Wheelsmith Restoration Specialist Reyav, Master Smith Runeforge Champion Scolding Administrator Shattered Acolyte Solemn Recruit Sram, Senior Edificer Sram, Senior Edificer Staunch Shieldmate Steadfast Paladin Stockpiling Celebrant Stoic Farmer Story Seeker Tataru Taru Toolcraft Exemplar Veteran Motorist Vihaan, Goldwaker Visionary Augmenter Warchanter Skald

Mega high ups, super low lows
These precious cards are too good to be left to dust
Unlike other removal effects which will often destroy that monster, Castel put them right back into the deck, so they cant be accessed until theyre drawn again
You've got several ways of making those merfolk unblockable (such as Rogue's Passage), and plenty of ways to break a stale board state in Curse of the Swine and Wave Goodbye