mulligan

Sent at the start of the game (and after each mulligan) to ask whether the player keeps their opening hand. Unlike the modal prompts, the reference client renders this in the bottom action slot as Keep / Mulligan buttons.

Arguments

input.type is "mulligan". The remaining fields:

TypeScript

interface MulliganInput {
  handCardIds: Array<string>;
  mulliganCount: number;
}

Rust

#[serde(rename_all = "camelCase")]
pub struct MulliganInput {
    pub hand_card_ids: Vec<String>,
    pub mulligan_count: u32,
}

London mulligan

After keeping, a player who mulliganed n times puts n cards back. That second step is a separate prompt (mulliganPutBack), not part of this one.

Response

type MulliganOutput = { type: "mulliganDecision"; keep: boolean };

keep: true to keep the hand, false to mulligan and draw a new one.

Example

{
  "promptId": 1,
  "decidingPlayerId": "player-0",
  "input": {
    "type": "mulligan",
    "handCardIds": ["hand-0", "hand-1", "hand-2", "hand-3", "hand-4", "hand-5", "hand-6"],
    "mulliganCount": 1
  }
}

{ "promptId": 1, "output": { "type": "mulliganDecision", "keep": true } }