Theres a lot of established heuristics on this subject, and a few points I can toss in to help you construct an optimal mana base for Standard, Modern, Pioneer, or whatever MTG format you prefer
Skip to main content SIGN IN Commander Masters Variants Foil: Sliver Gravemother (Extended Art) Edition: Commander Masters Variants Type: Legendary Creature - Sliver Cast: Rarity: M Collector #: 0777 Pow/Tuf: 6/6 The "legend rule" doesn't apply to Slivers you control
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Banlist History Restriction changes recorded for Guiding Ariadne
An additional protection here would be Azure-Eyes Silver Dragon , which on Special Summon can turn off any targeting to your Dragon-type monsters and keeping them safe from card destruction effects