(There were Chandra Nalaar, Chandra Ablaze, Chandra, Fire of Kaladesh, Chandra, Pyromaster, Chandra, the Firebrand, and now this one.) Chandra has been one of the most disappointing entries in the Planeswalker canon
Teferi not only slows down time for your opponents but speeds it up for you
We probably also throw in an Arcane AdaptationArcane Adaptation to make sure that some of our Convoke spells that make tokens of other types are pulling their weight
MTGOs Legendary Cube (2nd Version with the better Archetypes) My favorite of the various Cubes that were made for MTGO was the Legendary Cube, although the latter version was much better after they added more draftable archetypes and pushed the themes better

1 Aminatou, Veil Piercer 1 The Master of Keys 1 Redress Fate 1 Secret Arcade // Dusty Parlor 1 Soaring Lightbringer 1 Fear of Sleep Paralysis 1 Ancient Cellarspawn 1 Cramped Vents // Access Maze 1 Metamorphosis Fanatic 1 Phenomenon Investigators 1 Mesa Enchantress 1 Terminus 1 Aminatou's Augury 1 Utter End 1 Entreat the Angels 1 Monologue Tax 1 Ondu Spiritdancer 1 Sigil of the Empty Throne 1 Starfield Mystic 1 Timely Ward 1 Verge Rangers 1 Dream Eater 1 Extravagant Replication 1 Mirrormade 1 One with the Multiverse 1 Prognostic Sphinx 1 Shark Typhoon 1 Arvinox, the Mind Flail 1 Demon of Fate's Design 1 Doomwake Giant 1 Nightmare Shepherd 1 Athreos, Shroud-Veiled 1 Inkshield 1 Life Insurance 1 Spirit-Sister's Call 1 Time Wipe 1 Solemn Simulacrum 1 Adarkar Wastes 1 Caves of Koilos 1 Hall of Heliod's Generosity 1 Temple of Deceit 1 Temple of Enlightenment 1 Temple of Silence 1 Underground River 1 Bottomless Pool // Locker Room 1 Terramorphic Expanse 1 Auramancer 1 Swords to Plowshares 1 Moon-Blessed Cleric 1 Ponder 1 Portent 1 Telling Time 1 Diabolic Vision 1 Arcane Signet 1 Sol Ring 1 Command Tower 1 Cast Out 1 Return to Dust 1 Sphere of Safety 1 Arcane Denial 1 Archetype of Imagination 1 Brainstorm 1 Otherworldly Gaze 1 Thirst for Meaning 1 The Eldest Reborn 1 Read the Bones 1 Azorius Signet 1 Brainstone 1 Burnished Hart 1 Commander's Sphere 1 Mind Stone 1 Orzhov Signet 1 Arcane Sanctum 1 Ash Barrens 1 Azorius Chancery 1 Bojuka Bog 1 Dimir Aqueduct 1 Evolving Wilds 1 Halimar Depths 1 Obscura Storefront 1 Orzhov Basilica 1 Tainted Field 1 Tainted Isle 1 Thriving Heath 1 Thriving Isle 1 Thriving Moor 5 Plains 4 Island 5 Swamp Miracle Worker Tokens 2 Angel // Treasure tokens 1 Angel // Glimmer token 1 Horror // Glimmer token 2 Shark // Copy tokens 1 Horror // Copy token 2 Inkling // Scarecrow tokens 1 Glimmer // Scarecrow token 0002a_MTGDSK_ComToken: Angel // 0015b_MTGDSK_Token: Treasure 0010a_MTGDSK_Token: Horror // 0004b_MTGDSK_Token: Glimmer Miracle Worker Scheme Cards Choose Your Demise Behold the Power of Destruction You Cannot Hide from Me My Champion Stands Supreme Only I Know What Awaits My Followers Ascend Time Bends to My Will I Am Duskmourn My Wealth Will Bury You A Premonition of Your Demise 0331_MTGDSK_Schemes: Choose Your Demise 0334_MTGDSK_Schemes: I Am Duskmourn See the schemes and tokens from Miracle Worker in the Duskmourn: House of Horror Card Image Gallery

This dragon commander gives benefits at the end of your turn depending on the total toughness of your creatures