Interrupts were mostly used on counterspells, but because there were modal spells on which one mode was a counterspell, weird things could happen, like this

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Of course, these ten are not the only upgrades you can make
Considering that these Lord of the Rings uncommons are still popular Commander cards, this is not too surprising
Begrudgingly maintaining an Erebos, God of the Dead deck to have something to play during tournament downtime, I scorned Commanders infamously finicky games which could take hours to finish