Use this on an opponents creature, preferably one attacking someone else, double that creatures damage and blow up the attacker after combat
It can steal a combo piece
You may not realize it now, but you could end up needing that card later
Wizards of the Coast (WotC) seems to put Zetalpa, Primal Dawn in many precon decks as a late-game way to bring games to an eventual end, and it seems like a great card to cast here with all that extra mana
Nemesis Mask can allow a beefy or otherwise indestructible creature to singlehandedly decimate an opponents front line
While the stick adds to the casting cost, this elf detective also lets you exploit cards like Sun Titan, Lurrus of the Dream-Den, and Muldrotha, the Gravetide that dont interact with sorceries