Mana Drain is the only counterspell, but youd be hard pressed to find a better one to include
In the earliest EDH format, your commander could only be one of MTGs five original elder dragons - the first multi-coloured creatures printed by Wizards of the Coast
Cloud's Limit Break Fated Retribution Fight to the Death Final Showdown Force of Despair Gaze of the Gorgon Glyph of Doom Glyph of Reincarnation Puppet's Verdict Remove Enchantments Retaliate Siren's Call Tsabo's Decree Venomous Breath
Sakura Tribe Elder Shriekmaw Vampiric Tutor Meren of Clan Nel Toth Wretched Confluence Arguel's Blood Fast Unbridled Growth Chromatic Star Tasigur, the Golden Fang Liliana, the Last Hope Whip of Erebos Gnarlwood Dryad Walking Ballista Courser of Kruphix I especially like the Blood Fast in this build and have seen Treasure Map used to good effect for some similar reasons
The cycle has some competitive success but is notable for its power level in Commander
The card advantage is nice, especially since red and white are traditionally not great at landing the long game in Commander matches