Elvish Regrower

Regrowth-style recovery has historically lived on green sorceries: one-shot spells that trade a card for a card in your bin, reaching anything (instants, sorceries, permanents alike). Bolting a version of that onto a 4/3 changes the shape of the recursion in two ways. First, it trades breadth for a body: the return targets only permanent cards, so it cannot rebuy the burn spell or the counterspell a true Regrowth can, but it will pull back a fallen threat, a mana rock, a key enchantment, or a planeswalker. Second, the value arrives the moment the Elf lands. Even if the creature is killed on sight, the returned card is already in your hand; the recovery happens whether or not the body survives. The one-time nature of the return keeps the flexibility in check: no loop, no repeat, just a single permanent back each time it enters, and only permanents, which draws a clean line between this and spell-based recovery that reaches into the noncreature stack. The 4/3 does real work too, big enough to trade up or apply pressure so the card is not dead when your graveyard is empty. This is green midrange compressed into a single card: a creature that fights and a card back in hand, provided you have stocked your yard with the right kind of fuel.