The first place to look is on creatures that gain +1/+1 counters and benefit from getting them, like Fathom Mage
Deathleaper and Neyam The Warhammer decks made a lot of ripples in the format, so picking the two jankiest legends from them and not running any of the other new cards in the decks was entertaining
We knew, for flavor reasons, we had to give the card to the opponent, but we were stumped for a while about how exactly that helped you
I would argue that the value of a Magic card, much like with stock, is the sum of all the benefits gained from owning the card from now until forever
The Archivist of Gondor lets you double up on this effect, drawing two cards at the start of the monarchs end step
But there are also some important fringe benefits to foretelling your Cancel