Teething Wurmlet (Extended Art) [The Brothers' War] Brawl Nonlegendary creatures you control get

Nonlegendary creatures you control get +1/+1

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Set: Sword & Shield: Battle Styles Type: Grass Rarity: Uncommon Retreat cost: Colorless

This one expects some in return

Set: March of the Machine Commander Type: Creature — Kithkin Wizard Rarity: Rare Cost: {2}{W/U} Whenever Mistmeadow Vanisher becomes tapped

Teething Wurmlet (Extended Art) [The Brothers' War] Brawl Nonlegendary creatures you control getSet: The Brothers' War Type: Creature Wurm Rarity: Rare Cost: {G} Teething Wurmlet has deathtouch as long as you control three or more artifacts. Whenever an artifact enters the battlefield under your control, you gain 1 life. If this is the first time this ability has resolved this turn, put a +1 +1 counter on Teething Wurmlet.