You must also Shuffle your monsters that are banished, whose total Levels exactly equal the Level of the Ritual Monster you Ritual Summon
That defensive pressure matters because it can save cards in hand, make attacks less efficient, and give the Shanks player more time to reach the high-cost Red-Haired Pirates threats that make the deck so difficult to close out against

(Bevy of Beebles) Jace Beleren Jace Reawakened Jace, Arcane Strategist Jace, Architect of Thought Jace, Cunning Castaway Jace, Ingenious Mind-Mage Jace, Memory Adept Jace, Mirror Mage Jace, Telepath Unbound Jace, Unraveler of Secrets Jace, Wielder of Mysteries Jace, the Living Guildpact Jace, the Mind Sculptor Jace, the Perfected Mind Kaito, Cunning Infiltrator Kasmina, Enigmatic Mentor Mordenkainen Mu Yanling Mu Yanling, Celestial Wind Mu Yanling, Sky Dancer Narset, Parter of Veils Oko, Lorwyn Liege Tamiyo, the Moon Sage Teferi, Master of Time Teferi, Temporal Archmage Teferi, Temporal Pilgrim Teferi, Timeless Voyager Tezzeret the Seeker Tezzeret, Artifice Master Tezzeret, Betrayer of Flesh Tezzeret, Cruel Machinist Vronos, Masked Inquisitor Will Kenrith Will, Scholar of Frost
The lyrics went like this: Im gonna have a Metal Canasta Our amps are gonna blasta We play very fast, ya