slifer the sky dragon yugioh card YU-GI-OH! (PGLD-EN032) - Premium Gold - Unlimited Edition - Gold Secret Rare - Effect Monster - Trading Requires 3 Tributes to Normal Summon (cannot be Normal Set) Slifer the Sky Dragon The

With all of these mana sinks, it's very unlikely that you'll ever have mana unspent

Aerial Formation Ajani, Inspiring Leader Akroma's Will Akroma's Will Appa, the Vigilant Archetype of Imagination Bahamut, Warden of Light Bane's Invoker Basri, Devoted Paladin Bleeding Effect Concerted Effort Cosmic Spider-Man Crown of Ascension Elspeth, Storm Slayer Elspeth, Undaunted Hero Flying Crane Technique Frostwind Invoker Gempalm Sorcerer Ghost-Lit Drifter Goblin Balloon Brigade Gustrider Exuberant Harbin, Vanguard Aviator Invert the Skies Iron Man, Armored Avenger Kinsbaile Balloonist Levitation Magnetic Flux Moonshae Pixie Moonshae Pixie Moonshaker Cavalry Nephalia Moondrakes New New York Phantasmal Form Rishei, Getaway Accomplice Scions of the Ur-Spider Seascape Aerialist Skyshaper Storm, Windrider Stormcaller's Boon Striding Shotcaller Ten Wizards Mountain The Wind Crystal Thunderhawk Gunship Triceraton Commander Victory's Herald Voyager Drake Vulture, Scheming Scavenger Web Wind Sail Windborne Charge Winged Sliver

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It does still leave you vulnerable to mass removal cards, but without them opponents would often sit there helpless as nothing they had was able to put so much as a dent in the assault