You can also shortcut Etratas win condition completely by using the other cards which place hit counters: Ravenloft Adventurer and Mari, the Killing Quill
These commanders also include many popular creature-type favorites including Vampires, Rogues, Zombies, Faeries, and more
And by spells I mean creatures, sorceries, enchantments, enchant creatures, instants, interrupts, horses, tractor-pulls, and phosphorous
There's also the argument that Otters just don't currently have many good spells to help them out here -- For example, you'd need to either cast 2 spells or something like Monstrous Rage to then be able to use Kitsa's ability, which is asking you to have 3-5 mana open
Magali Villeneuve freezes Sephiroth as he pounces for the kill, as gracefully as deadly