Portent Tracker

Land untappers have always been quiet ramp tools: tap the creature, untap a land, squeeze a second use out of your best mana source in the same turn. This one bolts a second job onto that chassis, and the second job is why it exists. Green has almost no way to touch battles directly; the color fights its way through defenders in combat rather than reaching over the top to move a defense counter. The second ability gives it a lever it otherwise lacks, letting you shore up a siege you are protecting or chip away at one an opponent holds. The sorcery-speed clamp on that ability is doing real work: shifting a defense counter at instant speed would turn every combat around a battle into a guessing game, so the clause pins it to your main phase, where it reads as a stated plan rather than an ambush. The untap ability carries no such restriction, which means the two halves of the card want opposite textures of turn: the land trick rewards holding up for a response, the battle lever wants to be sequenced deliberately. A 1/1 body is the counterweight on all of it. A creature that can both generate extra mana and manipulate the game's newest permanent type has to be trivial to kill, and this one is: any damage-based removal, most incidental pings, even a fight spell erase it before either tap matters.