Kaladin Stormblessed

Indestructible, Flying
If a creature you control dies, Kaladin Stormblessed loses Indestructible until the next player's end of turn.
If you control a creature with a toughness of 3 or lower
that isn't Kaladin Stormblessed, you gain Protector—{w}: This creature gains Defender and First Strike until
end of turn.
This creature gets a +1/+1 counter if it kills a creature
while blocking or if no creatures you control die during
your turn.