Collectors who buy these cases separately know they cost a few dollars each
The most obvious option, by far, is using the Fling spell to instantly eliminate any defending opponent by throwing it right at their face
Magic: The Gathering Edge of Eternities releases with two 100-card, ready-to-play Commander Deck products, each featuring the three-colors based on the themes of the format: Artifacts, counters, and lands

Explorers of the Deep Commander (1) Creature (37) Benthic Biomancer Coralhelm Commander Deeproot Elite Kiora's Follower Master of the Pearl Trident Merfolk Mistbinder Merfolk Skydiver Metallic Mimic Nicanzil, Current Conductor Stonybrook Banneret Thieving Skydiver Cold-Eyed Selkie Emperor Mihail II Evolution Sage Kopala, Warden of Waves Kumena, Tyrant of Orazca Merfolk Cave-Diver Merfolk Sovereign Merrow Reejerey Realmwalker Sage of Fables Singer of Swift Rivers Svyelun of Sea and Sky Thassa, God of the Sea Topography Tracker Vorel of the Hull Clade Deeproot Historian Herald of Secret Streams Seafloor Oracle Surgespanner Tributary Instructor Zegana, Utopian Speaker Mist Dancer Tatyova, Benthic Druid Prime Speaker Zegana Xolatoyac, the Smiling Flood Tishana, Voice of Thunder Instant (9) Rapid Hybridization Growth Spiral Ripples of Potential Beast Within Inspiring Call Quandrix Command Aetherize Ruinous Intrusion Commit / Memory Sorcery (6) Bygone Marvels Curse of the Swine Explore Kodama's Reach Ravenform Wave Goodbye Enchantment (6) Hardened Scales Simic Ascendancy Branching Evolution Deeproot Waters Kindred Discovery Reflections of Littjara Artifact (5) Sol Ring Arcane Signet Simic Signet Swiftfoot Boots Commander's Sphere Land (36) Alchemist's Refuge Command Tower Forest x7 Hinterland Harbor Island x13 Karn's Bastion Llanowar Reborn Mosswort Bridge Myriad Landscape Path of Ancestry Reliquary Tower Rogue's Passage Secluded Courtyard Simic Growth Chamber Temple of Mystery Temple of the False God Unclaimed Territory Vineglimmer Snarl Commander, Theme, and Strategy Merfolk lovers sound off

While Mangaras first ability may not trigger too often (lifelink on a creature with four toughness makes for an unproductive combat step), playing multiple spells each turn in Commander is a forgone conclusion