Method discard

forge-game/src/main/java/forge/game/player/Player.java:1430–1461

(final Card c, final SpellAbility sa, final boolean effect, Map<AbilityKey, Object> params)

    }

    public final Card discard(final Card c, final SpellAbility sa, final boolean effect, Map<AbilityKey, Object> params) {
        if (!c.canBeDiscardedBy(sa, effect)) {
            return null;
        }

        discardedThisTurn.add(CardCopyService.getLKICopy(c));

        params.put(AbilityKey.Discard, true);
        params.put(AbilityKey.EffectOnly, effect);
        final Card newCard = game.getAction().moveToGraveyard(c, sa, params);

        StringBuilder sb = new StringBuilder();
        sb.append(this).append(" discards ").append(c);
        //sb.append(" to the library");
        //sb.append(" with Madness");
        sb.append(".");
        // Play the Discard sound
        game.fireEvent(new GameEventAddLog(GameLogEntryType.DISCARD, sb.toString(), c));

        newCard.setDiscarded(true);

        if (sa != null && sa.hasParam("RememberDiscarded")) {
            sa.getHostCard().addRemembered(newCard);
        }
        final Map<AbilityKey, Object> runParams = AbilityKey.mapFromPlayer(this);
        runParams.put(AbilityKey.Card, c);
        runParams.put(AbilityKey.Cause, sa);
        runParams.putAll(params);
        game.getTriggerHandler().runTrigger(TriggerType.Discarded, runParams, false);

        return newCard;
    }

    public final void addTokensCreatedThisTurn(Card token) {
        numTokenCreatedThisTurn++;