Showdowns and the Chain
With Focus, can I play several Action-only cards in a row before my opponent gets to act?
You cannot stack Action-only cards before passing Focus
RiftPal explanation · Answer first
Actually
An ActionA timing keyword that also permits a card or activated ability during a Showdown on any player's turn. You still need Focus and Priority with an empty Chain; Action alone does not allow a response to a waiting Chain.View in Glossary normally starts a ChainAn off-board zone that holds cards and abilities during the process of playing them. Cards and abilities on it are public information.View in Glossary . You cannot add another Action-only card to that waiting Chain, and when your Chain finishes, FocusThe opportunity to act in a Showdown when the Chain is empty. Gaining Focus also gives Priority; you need both to act. Passing Priority during a Chain does not itself pass Focus.View in Glossary passes to the next player.
RiftPal explanation
Why it matters
Keeping PriorityThe right to take a legal action now. Only one player can have Priority at a time, and having it does not remove a card or ability's timing restrictions.View in Glossary can let you add legal ReactionA timing keyword that includes Action's permissions and also permits a card or activated ability while a Chain is waiting. You still need the proper opportunity, normally Priority; it does not allow an interruption halfway through resolution.View in Glossary ; it does not permit additional Action-only cards. You can start another Action Chain when Focus comes back to you.
The normal Focus transfer described here applies to a player-started Chain. Chains begun by Triggered AbilityAn ability started by a stated event or time, usually introduced by "when" or "at." It goes on the Chain when its condition is met.View in Glossary or AddPut the stated Energy or Power into your Rune Pool. Activated and triggered Add abilities resolve as soon as finalized; spells that Add resources use the Chain normally.View in Glossary abilities do not pass Focus when they finish.