If theres a cost associated with having that creature attack, its controller isnt forced to pay that cost, so it doesnt have to attack in that case either
Targ Nar, Demon-Fang Gnoll Targ Nar, Demon-Fang Gnoll provides aggressive decks with a meager power buff if you scrounge together enough attackers
This got me wondering if it's possible to build a burn deck looking to win by playing as many high-mana-value cards as possible, rather than the most traditional efficient burn, like Lightning Bolt and friendsand the answer is...maybe
How many colors can a Partner commander deck have
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Of course, Kaalia herself is fragile, so you'll want to run some removal to deal with any blockers that might destroy her