akroan Phalanx

Creatures you control have defender, if you
control the most untapped, this creature has indestructible and hexproof, and +1/+1 for each
other creature you control.
{r}{r}: Creatures you control lose defender and
gain haste, and vigilance until end of turn.
{3}{w}{w}: Creatures you control lose hexproof,
and gain lifelink, double strike, vigilance, and
trample until end of turn.