If you never simultaneously control three qualifying permanents, even briefly, you never trigger it, no matter how many artifacts or legendaries have passed through your battlefield over the course of the game
n vrre r det om det finns bucklor i plten
Sentinel Sarah Lyons Triggering battalion abilities can be a big ask but Sentinel Sarah Lyons looks like a great enabler and payoff
The third problem is that the important side effect of Shimochi is a trap card, so even if you catch the first attack, it is basically activated in the opponent's turn, and in During, the effect of recovering the opponent's LP during the opponent's turn is about one Dark Cure, Whether you catch the taker or not, these two are normal magic, so you have to somehow endure one opponent's turn to use them
This system also sets up strategies you can use to best the AI in almost every match, which leads to more winning but zero fun