One common, five uncommons will happen 3.5% of the time
It's going to generate tons of value for you while hurting your opponents a bunch
But the vast majority of Magic cards, of course, have abilities
And since Boromir is three mana, you can even get him back with Sun Titan triggersI mean, who doesnt want to grind value with Sun Titan triggers
This means that if you cast a spell with demonstrate and both you and an opponent copy it, the opponent's copy will resolve first, then your copy will resolve, and finally the original spell will resolve
There's plenty of infinite combo potential here - like infinite treasures using Clock of Omens, however because the deck is a bit fragile, a failed attempt at going for gold is often disastrous