16 points
Yeah but they’re playing mono-W so unless they draw into another plains, probably nothing too threatening is hitting the field.
4 points
Unless they draw into their Heliod + Ballista combo
… or a tutor that lets them find their Heliod + Ballista combo
3 points
You’re forgetting that 22 is probably instant speed, which means ballista is dead before it can combo off. So white needs something else to win because strategically black is better with the extra rooks.
2 points