Sages Portal Board Game Cafe often has 20 players show up to their Spokane storefront for twice-weekly tournaments
Isnt four copies of Chandra, Flamecaller a lot

Pirate theme EDH Creature (23) 1x Beguiler of Wills 1x Captain of the Mists 1x Great Whale 1x Kukemssa Pirates 1x Lorthos, The Tidemaker 1x Man-o'-War 1x Master of Waves 1x Master Thief 1x Merfolk Looter 1x Nephalia Smuggler 1x Notion Thief 1x Pirate Ship 1x Rishadan Brigand 1x Rishadan Cutpurse 1x Rishadan Footpad 1x Rootwater Thief 1x Stormtide Leviathan 1x Talas Warrior 1x Thada Adel, Acquisitor 1x Thassa, God of the Sea 1x Waterfront Bouncer 1x Wrexial, the Risen Deep Enchantment (10) Land (37) 1x Arcane Lighthouse 1x Bojuka Bog 1x Coral Atoll 1x Darkslick Shores 1x Drowned Catacomb 1x Halimar Depths 1x High Market 13x Island 1x Jwar Isle Refuge 1x Lonely Sandbar 1x Mikokoro, Center of the Sea 1x Nephalia Drownyard 1x Nykthos, Shrine to Nyx 1x Rogue's Passage 1x Submerged Boneyard 3x Swamp 1x Tainted Isle 1x Thespian's Stage 1x Underground River 1x Unknown Shores 1x Vivid Creek 1x Volrath's Stronghold 1x Watery Grave Sorcery (10) Commander (1) Artifact (12) 1x Charcoal Diamond 1x Elixir of Immortality 1x Expedition Map 1x Explorer's Scope 1x Predator, Flagship 1x Skull of Orm 1x Sky Diamond 1x Smuggler's Copter 1x Star Compass 1x Swiftfoot Boots 1x Sword of War and Peace 1x Vedalken Shackles

The target is chosen in the process of casting the spell
And make sure you dont get too carried away with the breeding operation Ive heard of a Loamspeaker who ended up creating an alarming amount of Spirits (and mana)
This makes it incredibly powerful, despite it being susceptible to disenchant effects