The former should be used at common and uncommon while the latter should be used at rare and mythic rare
Rank: Fun Shadow, Mysterious AssassinShadow, Mysterious Assassin I dont like it when commanders need to deal combat damage to trigger
This can plug right into an Eldrazi commander deck, and this particular version of it is worth almost triple the cheapest version
Auntie Ool wants you to hurt your own minions, likely tokens to fuel your hand, while whittling down your opponents
As such, the card is seeing fringe play in Legacy in Aluren as you are able to Venture and complete dungeons, especially Lost Mine of Phandelver
This is decent against 1/1 thopters and 2/2 zombies but there are increasingly 4/4 tokens kicking around, direct copy token too, all of which stand to make this a fairly good value removal spell