Felt, Ghostblood Agent

+1: Put a +1/+1 counter on up to one target creature. It gains indestructible until end of turn.
-2: Whenever one or more nontoken creatures attack this turn, create that many 1/1 Human Soldier creature tokens tapped and attacking.
-6: You get an emblem: “On your upkeep, create a 1/1 Human Soldier creature token, then put a +1/+1 counter on each creature you control."