The theme is clear from this Jeskai commanders design
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If, during a player's declare attackers step, a creature that player controls that's been goaded is tapped, is affected by a spell or ability that says it can't attack, or hasn't been under that player's control continuously since the turn began (and doesn't have haste), then it doesn't attack
You can pay its ink cost or choose to exert a character on the field with the same ink cost of the song to play it instead of using your inkwell
Theres a whole bunch of cool cards beyond Esper Sentinel, Land Tax and Silence that should find their way into your decks, especially when youre looking to steer away from running the same few cards over and over