By using this farming deck that contains only one monster, Mythical Beast Cerberus
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Warrior has plenty of ways to deploy, so it is possible to throw in 3 Ainas from the first turn and kill them from overwork
If that creature dies this way, its controller creates two tokens that are copies of that creature, except their base power is half that creature's power and their base toughness is half that creature's toughness
If you're not a lands deck and you're not playing off-color fetches like some sort of monster, then chances are good that this isn't a mana dork most of the time, which just leaves the life loss ability (which is a bit of a pittance that you're not going to want to hold open mana for most of the time) and the lifegain effect (which is fine if you need it to guarantee some triggers)