seb mckinnon mtg cards Got Some Ideas? — Art by Design prompt: Chronostutter If you do Magic The Gathering, Secret Lair:

For example, if you control Twins of Discord and a colorless creature with bloodthirst 1 enters the battlefield under your control, that creature will enter the battlefield with three +1/+1 counters on it if an opponent has been dealt damage that turn

While it technically isn't gaining card advantage it usually feels like it does

Planeswalkers are a primary example here with the proliferation in the deck, but even a clutch permanent of another type might be all you need for victory

(This is in a game where tempo is a big concern.) Other times you'll need to be very patient and save your Dissolve for some devastating threat your opponent might have, which you can't answer in any other way