So the free trigger is scry 4
If your opponent does manage to get one of these creatures on the battlefield, don't despair
Realms and Relics Box Toppers This set has a selection of 30 lands and artifacts that are all desired reprints, going from important lands like Urborg, Tomb of Yawgmoth, Karakas, and Cavern of Souls to staple artifacts like The Great Henge, Shadowspear, and Ensnaring Bridge
In this situation, you absolutely want to trade off since you need to buy time to draw some lands
For playgroups where open alliances and in-game coercion are a natural part of the fun, this will be what you always wanted enough gifts to bribe players into fragile team-ups, waiting to see who betrays the other first
Together, who knows what that would look like