Karvanista, Loyal Lupari {4}{G}
Legendary Creature — Alien Dog Soldier
Vigilance, trample, haste
Whenever Karvanista attacks, put a +1/+1 counter on each Human you control.
5/5
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Lupari Shield {1}{G}
Sorcery — Adventure
Humans you control gain indestructible until your next turn. (Then exile this card. You may cast the creature later from exile.)