Grade: D Urgent Exorcism with upside is still a sideboard card
So, for example, if my [c]Celestial Unicorn[/c] attacks and then becomes tapped, it can still become the target of a fight card, like [c]Duel for Dominance[/c] or [c]Blizzard Brawl[/c]
If you look at a card like Mirari, youll know that you usually have to pay mana for duplicating a spell
You can keep looping powerful abilities every turn cycle without ever losing your board
Considering the base value of cost and effect of these abilities for your deck is better than evaluating the Battle by its transformed side, since it requires more effort to use
Toxic Deluge is one of the best black board wipes in the format, scaling its kill power to slip past indestructible creatures, and Skullclamp remains the gold standard of cheap card draw