Cardshifter effects and types in JS code

UPPERCASE indicates a type

## whilePresent

Only works on creatures.

Array of MODIFIER

Example:

    modifier: [
        {   // Give all your Bio creatures +10 attack
            res: ATTACK,
            priority: 1,
            change: 10,
            filter: { creatureType: "Bio", owner: "owner" }
        }
    ]

## onEndOfTurn

Only works on creatures.

EFFECT, or array of EFFECT

## afterPlay

Works on any card.

EFFECT, or array of EFFECT

# MODIFIER

- res: ATTACK
- priority: 1
- change: 1
- filter: { FILTER }

# FILTER

owner
- owner, opponent, next, none, active, inactive

zone
- ZONE NAME

creature
- true

creatureType
- name of creatureType (String)

# EFFECT

print

damage:
- value: VALUE
- target: TARGET

heal: Same as damage, but heals instead

summon:
- count: VALUE
- card: CARD NAME
- who: ENTITY
- where: ZONE NAME

# INTEGER

An integer value. Nothing else

# VALUE

Can be either an Integer, or an object such as `{ min: 3, max: 5 }`, or an object containing:
 {
    description: "Text describing the value",
    func: function (source, target) {
        return 42;
    }
 }