All tests.txt

effect {
    Name: "Damage",
    Params: {
        Amount: Number
    },
    Action: (targets, context) => {
        for target in targets {
            i = 0;
            while (i+1 < Amount)
                target.Power+=1;
        };
    }
}
effect {
    Name: "Draw",
    Action: (targets, context) => {
        topCard = context.Deck.Pop();
        context.Hand.Add(topCard);
        context.Hand.Shuffle();
    }
}
effect {
    Name: "Return to deck",
    Action: (targets, context) => {
        for target in targets {
            owner = target.Owner;
            deck = context.DeckOfPlayer(owner);
            deck.Push(target);
            deck.Shuffle();
            context.Board.Remove(target);
        };
    }
}
card {
    Type: "Oro",
    Name: "Beluga",
    Faction: "Northern Realms",
    Power: 5 * (1+1),
    Range: ["Melee", "Ranged"],
    OnActivation: 
    [
        {
            Effect: 
            {
                Name: "Damage",
                Amount: 5
            },
            Selector: {
                Source: "board",
                Single: false,
                Predicate: (unit) => unit.Faction == "Northern" @@ "Realms"
            },
            PostAction: {
                Effect: "ReturnToDeck",
                Selector: {
                    Source: "parent",
                    Single: 3 == cinco,
                    Predicate: (unit) => unit.Power < 1
                },
            },
        },
        {
            Effect: "Draw"
        }
        
    ]
}




effect {
    Name: "Heal",
    Params: {
        amount: Number
    },
    Action: (targets, context) =>{
        for target in targets
            target.Power += amount;
    }
}

effect {
    Name: "Boost",
    Params: {
        amount: Number,
        duration: Number
    },
    Action: (targets, context) => {
        for target in targets {
            target.Power += amount;
            context.Board.Shuffle();
        }
    }
}
";

card {
    Type: "Oro",
    Name: "Triss",
    Faction: "Northern Realms",
    Power: 12,
    Range: ["Ranged"],
    OnActivation: [
        {
            Effect: "Draw",
            Selector: {
                Source: "deck",   
                Single: true,
                Predicate: (unit) => true
            },
            PostAction: {
                Effect: "Damage",
                Selector: {
                    Source: "board",
                    Single: false,
                    Predicate: (unit) => unit.Power < 5
                }
            }
        }
    ]
}