Still there can still be a lot of overlap between the categories Im about to describe, but I think five color commanders almost all fall into these four main categories
This ability triggers only on your very first spell during an opponent's turn, not the first spell after the card is on the battlefield

Creatures (30) 1 Artisan of Kozilek 1 Ulamog's Crusher 1 Oblivion Sower 1 Drowner of Hope 1 Ulamog's Nullifier 1 Sire of Stagnation 1 World Breaker 1 Endbringer 1 Deepfathom Skulker 1 Vile Redeemer 1 Sifter of Skulls 1 Eldrazi Displacer 1 Elder Deep-Fiend 1 Morophon, the Boundless 1 Ulalek, Fused Atrocity 1 Azlask, the Swelling Scourge 1 Hideous Taskmaster 1 Titans' Vanguard 1 Glaring Fleshraker 1 Wastescape Battlemage 1 Snapping Voidcraw 1 Inversion Behemoth 1 Benthic Anomaly 1 Chittering Dispatcher 1 Angelic Aberration 1 Bismuth Mindrender 1 Ulamog's Dreadsire 1 Twins of Discord 1 Spawnbed Protector 1 Mutated Cultist Planeswalkers (1) Lands (38) 1 Tendo Ice Bridge 1 Brushland 1 Forest 1 Llanowar Wastes 1 Plains 1 Underground River 1 Sulfurous Springs 1 Karplusan Forest 1 Adarkar Wastes 1 Swamp 1 Mountain 1 Island 1 Yavimaya Coast 1 Shivan Reef 1 Caves of Koilos 1 Battlefield Forge 1 Exotic Orchard 1 Reliquary Tower 1 Tectonic Edge 1 Eldrazi Temple 1 Command Tower 1 Temple of Silence 1 Opal Palace 1 Temple of Malady 1 Tomb of the Spirit Dragon 1 Shrine of the Forsaken Gods 1 Spawning Bed 1 Wastes 1 Corrupted Crossroads 1 Ruins of Oran-Rief 1 Ash Barrens 1 Cascading Cataracts 1 Path of Ancestry 1 Unclaimed Territory 1 Bonders' Enclave 1 Secluded Courtyard 1 Twisted Landscape 1 Tranquil Landscape Spells (31) 1 Sol Ring 1 Talisman of Impulse 1 Talisman of Dominance 1 Crib Swap 1 Eldrazi Monument 1 Everflowing Chalice 1 All Is Dust 1 Ancient Stirrings 1 Awakening Zone 1 Dreamstone Hedron 1 Eldrazi Conscription 1 Skittering Invasion 1 Suffer the Past 1 Hedron Archive 1 Ugin's Insight 1 Kozilek's Return 1 Warping Wail 1 Imprisoned in the Moon 1 Rishkar's Expertise 1 Herald's Horn 1 Talisman of Curiosity 1 Talisman of Resilience 1 Mystic Forge 1 Arcane Signet 1 Idol of Oblivion 1 Return of the Wildspeaker 1 Garruk's Uprising 1 Forsaken Monument 1 Eldrazi Confluence 1 Eldritch Immunity 1 Selective Obliteration Modern Horizons 3 is scheduled to release on June 14

Dallas Meidinger Dallas is a communications professional, writer and nearly life-long Magic player from Canada
The most unexpected weapon that a monster can wield is kindness. Tales of the Ozolith Illustrated by Seb McKinnon Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
For a long time it was the best red creature for spell-heavy decks