The best is a very subjective term and to be appreciated usefully the term wants to be broken down into a meaningful outline of what constitutes better
They could Pendulum Summon out a number of lower-Level monsters that allowed them to Tribute Summon monsters at the same time, which still let them recur monsters back to the field on the following turn
Bat- Bennie Bracks, Zoologist Bloodchief Ascension Bloodchief Ascension Boarded Window Briarbridge Patrol Brimaz, Blight of Oreskos Brooding Saurian Crested Sunmare Dark Wings Bring Your Downfall Deathreap Ritual Desolation Dimir Strandcatcher Discordant Spirit Domri, Chaos Bringer Dunerider Outlaw Dust Stalker Eccentric Pestfinder Elenda and Azor Fae Offering Fairgrounds Trumpeter Force Bubble Form of the Dragon Fractal Tender Fraying Sanity Gau, Feral Youth Geometric Weird (playtest) Gwaihir, Greatest of the Eagles Half-Orc, Half- I Know All, I See All Inferno Hellion Intermediate Chirography Joined Researchers Kami of Transience Khabl Ghoul Krovikan Vampire Laboratory Drudge Lasting Tarfire Lathiel, the Bounteous Dawn Lighthouse Chronologist Liliana's Scrounger Lord Jyscal Guado Lucky the Pizza Dog Multi-Headed Nothing Can Stop Me Now Oath of Chandra Oath of Liliana Octomancer Old Flitterfang Optimus Prime, Hero Osai Vultures Possessed Portal Priest of the Crossing Promise of Tomorrow Pyromancer's Swath Quest for Ula's Temple Quicksilver Fountain Ragost, Deft Gastronaut Raphael, Fiendish Savior Reaper from the Abyss Red-Hot Hottie Regal Bloodlord Regna, the Redeemer Relic Retriever Resplendent Angel Robo- Scavenging Ghoul
You can only use each effect of "Summoner of the Sacred Beasts" once per turn
