app/cards/empires/landmarks/battlefield.js
Battlefield = class Battlefield extends Landmark {
gain_event(gainer, battlefield) {
let battlefield_stack = _.find(gainer.game.landmarks, (card) => {
return card.name === 'Battlefield'
})
let victory_tokens = Math.min(2, battlefield_stack.victory_tokens)
battlefield_stack.victory_tokens -= victory_tokens
let victory_token_gainer = new VictoryTokenGainer(gainer.game, gainer.player_cards)
victory_token_gainer.gain(victory_tokens)
}
}