This is a lot to pay, but this ability can be activated as many times as its controller wants, though it has to be at sorcery speed
Some options here, in no particular order: Syphon Mind, Liliana's Triumph, Thoughtseize, The Raven Man, Geth's Grimoire, Elderfang Disciple, Tinybones, Trinket Thief, Virus Beetle, Cunning Lethemancer, Aclazotz, Deepest Betrayal, Bottomless Pit, Desolation, Necrogen Mists, Oppression, Geier Reach Sanitarium, Chain of Smog MORE PROTECTION, MAYBE
Murktide Regent Perhaps one of the most powerful Mythics from the set, Murktide Regent offers a lot for seven mana
Just giggle and smile and put it in your spellslinger decks
Activate Deadeye Navigators ability for 2 mana to flicker Peregrine Drake / Palinchron