At the beginning of your end step, if a player controls no creatures, sacrifice Sothera, then put a creature card exiled with it onto the battlefield under your control with two additional +1/+1 counters on it
This is going to be a staple in every format it's legal in forever, both because it's fun and because being able to deck check if your opponent has an answer in hand or just loses on the spot is wildly good
Some are easier to achieve than others, but they all require some level of precise deckbuilding to work
Al Bhed Rescuers is likely going to see Commander play
Finally, when Slinza or any other creature with a power of four or more comes into play under your control, you can pay two mana to have Slinza fight another creature
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