Id need to add five more for each of the Dragon broods, I guess, and the families of New Capenna
Here Comes a New Hero

Creatures (23) 1 Amoeboid Changeling 1 Mirror Entity 1 Taurean Mauler 1 Samut, Voice of Dissent 1 Spark Double 1 Changeling Outcast 1 Valiant Changeling 1 Irregular Cohort 1 Kenrith, the Returned King 1 General Kudro of Drannith 1 Rin and Seri, Inseparable 1 Kamahl, Heart of Krosa 1 Realmwalker 1 Masked Vandal 1 Bloodline Pretender 1 Adeline, Resplendent Cathar 1 Katilda, Dawnhart Prime 1 Kyler, Sigardian Emissary 1 Jirina, Dauntless General 1 Aragorn, the Uniter 1 Eowyn, Shieldmaiden 1 Beregond of the Guard 1 Greymond, Avacyn's Stalwart Lands (36) 1 Forbidden Orchard 4 Snow-Covered Plains 4 Snow-Covered Mountain 4 Snow-Covered Island 4 Snow-Covered Forest 4 Snow-Covered Swamp 1 Dark Depths 1 Mutavault 1 Evolving Wilds 1 Command Tower 1 Alpine Meadow 1 Arctic Treeline 1 Glacial Floodplain 1 Highland Forest 1 Ice Tunnel 1 Rimewood Falls 1 Snowfield Sinkhole 1 Volatile Fjord 1 Woodland Chasm 1 Faceless Haven 1 Shimmerdrift Vale Spells (40) 1 Sol Ring 1 Conspiracy 1 Kodama's Reach 1 Wayfarer's Bauble 1 Peer Pressure 1 Winter's Night 1 Winter's Chill 1 Glacial Crevasses 1 Voidslime 1 Into the North 1 Rime Transfusion 1 Crib Swap 1 Path to Exile 1 Banefire 1 Rite of Replication 1 Swiftfoot Boots 1 Mass Appeal 1 Clone Legion 1 Chandra's Ignition 1 Smuggler's Copter 1 Unbreakable Formation 1 On Thin Ice 1 Marit Lage's Slumber 1 Arcane Signet 1 Dire Tactics 1 Sanctuary Lockdown 1 Reflections of Littjara 1 Replicating Ring 1 Maskwood Nexus 1 Moritte of the Frost 1 Search for Glory 1 Blizzard Brawl 1 Glittering Frost 1 Mystic Reflection 1 Blood on the Snow 1 Crippling Fear 1 Out of Time 1 Grafted Identity 1 Farewell 1 Folk Hero Move over, Bloomburrow summer, its time for Duskmourn fall

The downside is that this immediately puts a target on Robin
Hard to find the space for it and an incredibly slow card but none the less, a highly versatile and useful one
This is what makes instant speed tutoring so powerful, and while both of these cards are generally considered combo pieces, discounting their intended purpose as tutors is a tremendous disservice when evaluating their power level