Examples of mage.target.Target.choose()

                // an enchantment,
                filter = new FilterControlledPermanent("enchantment you control");
                filter.add(new CardTypePredicate(CardType.ENCHANTMENT));
                target = new TargetControlledPermanent(filter);
                target.setNotTarget(true);
                if (target.choose(Outcome.ReturnToHand, targetPlayer.getId(), source.getSourceId(), game)) {
                    Permanent permanent = game.getPermanent(target.getFirstTarget());
                    if (permanent != null) {
                        targetPlayer.moveCardToHandWithInfo(permanent, source.getSourceId(), game, Zone.BATTLEFIELD);
                    }
                }

                // and a land.
                filter = new FilterControlledPermanent("land you control");
                filter.add(new CardTypePredicate(CardType.LAND));
                target = new TargetControlledPermanent(filter);
                target.setNotTarget(true);
                if (target.choose(Outcome.ReturnToHand, targetPlayer.getId(), source.getSourceId(), game)) {
                    Permanent permanent = game.getPermanent(target.getFirstTarget());
                    if (permanent != null) {
                        targetPlayer.moveCardToHandWithInfo(permanent, source.getSourceId(), game, Zone.BATTLEFIELD);
                    }
                }

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