Seal the Forest

Creatures your opponents control can't attack you or a planeswalker you control next turn.
Rebound (If this spell was cast from your hand, instead of putting it into your graveyard as it resolves, exile it and, at the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
When the Jyagai decide to seal their borders, there is no way to get in. For a time at least.