Deck FAQ: Card Effect Types and Timing
Play cards only on your own turn or in a Combat with your Main Hero.
Instant: resolves immediately.
Activation: when you activate your unit in Combat.
Map: cannot be used during Combat.
Ongoing: lasts until used up or until you start your next turn.
Permanent: stays in play; only 1 at a time - playing another discards the first.
Cards are played only on your own turn or in a Combat involving your Main Hero. Effect types: Instant (resolves immediately), Activation (when activating your unit in Combat), Map (cannot be used during Combat), Ongoing (lasts until used up or until you start your next turn), Permanent (stays in play; only one Permanent at a time - playing another discards the first).