Soul of Windgrace fits naturally into these strategies as both a reward for sacrificing/discarding lands, since it returns them to play, and as a discard outlet for other threats like Titania, Protector of Argoth and The Gitrog Monster
At the end of your opponents turn, youd use Foundry to sacrifice Meek to summon a 1/1 Thopter token and gain 1 life
Even better, you can activate this ability multiple times to give each Soldier you control multiple instances of this ability
That means when doing math on the EV of the rare/mythic slot, we can divide the price of a card by 80 if its a rare and 160 if it's a mythic
Card Text: As long as X is in X's owners' opponent's hand, X's owner may cast X and activate X's abilities
Since Reidane seems to naturally lean in a stax direction, I've decided to build this as something of a stax deck