Cenn's Tactician is a uncommon Creature — Kithkin Soldier card from Morningtide (MOR), collector number 5. Current market price: $0.35 (foil $1.38), TCGplayer market prices via Scryfall.
{W}, {T}: Put a +1/+1 counter on target Soldier creature. Each creature you control with a +1/+1 counter on it can block an additional creature each combat.