Lilysplash Mentor

Green-blue has long been the flicker-and-counters intersection, but the two effects usually live on separate cards: a blink spell here, a counter payoff there. Stapling both onto a single repeatable outlet, on a 4/4 body with reach that walls the fliers this color pair struggles against, folds an entire value-engine subtheme into one card. Each activation refires the target's arrival trigger and returns it with a fresh +1/+1 counter, so a modest creature comes back as a slightly bigger one that has re-triggered its enters-the-battlefield ability. The exile is worth reading carefully: because the creature is exiled and returned, any counters or auras it was already carrying fall off, and it comes back with exactly one +1/+1 counter. So this is not a counter-doubler and it does not stack growth turn over turn; the value is in the re-fired trigger and the modest permanent bump, not in ballooning a single body. The sorcery-speed clause holds it in check. Blink is most abusive at instant speed, where it dodges removal and fires triggers on an opponent's turn; locking this to your main phase means it cannot be held up as a combat trick or as a response to targeted removal. Decks that already wanted to blink for value have historically lacked a clock; a 4/4 that reaches over the ground it defends and reuses arrival abilities every turn hands them one, turning a durdle engine into something that also applies pressure.