Its going to be $10, like Jadelight Ranger was) Sell six months before rotation: Carnage Tyrant, History of Benalia Buy when it rotates and is cheapest: Mox Amber (going to get broken at some point, already ticking up in Commander), The Immortal Sun
If youve cycled a card named Yidaro, Wandering Monster four or more times this game, put it onto the battlefield from your graveyard instead
It can kill an early creature and accelerate you, and later in the game it becomes an outlet for all that mana you generated
And while youre always going to miss stuff, there are likely a variety of measures in place to alleviate the risk of such an oversight moving forward
The way I'm reading it, would suggest that the damage happens too late, but I just wanted to be sure and couldn't find a solid answer elsewhere
= Based on trademark filings, official teasers, or community data