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In fact looking at the MTG Commander Masters deck's mana base, it doesn't seem to be any better than a regular precon MTG Commander deck

C Common Guardian Ceal X FIRE Level 4 [ PyroEffect ] ATK 1700 DEF 1400 Cannot be Summoned unless you control a face-up "Shooting Star Bow - Ceal"

Additionally, the card has the Team TARDIS ability that allows the player to untap every creature they control that has a counter on it

Tearlaments Kashtira X WATER Level 7 [ PsychicEffect ] ATK 2300 DEF 1200 During the Main Phase (Quick Effect): You can Special Summon this card from your hand, and if you do, banish 1 "Kashtira" or "Tearlaments" card from your hand or GY