Unlike Mairsil combos, which required the setup of putting things into exile, Quicksilver Elemental just works with Vivi Ornitier
You can try playing [c]fog[/c]s , which prevent all combat damage being dealt in a turn
However, at 1G it competes with extremely efficient staples like Scavenging Ooze (which gains life and grows itself), Tarmogoyf (raw efficiency), or Voice of Resurgence (board presence and resilience), and in dedicated counter decks cards like Conclave Mentor or Hardened Scales often provide more synergy value, while in lifegain strategies Ajanis Pridemate or Trellessara, Moon Dancer may scale faster for similar cost
Despite being better than Captain Hook, Mickey has a high in-game cost of 8 Ink
There aren't any special rules for Cursesthey follow all the normal rules for Auras that enchant playersbut there are some cards in Innistrad block, like Curse of Thirst, that refer to the Curse subtype