Shelled Master

{1}{r}: Shelled Master becomes a Turtle Wizard
with base power and toughness 2/2.
{3}{r}: If Shelled Master is a Wizard, it becomes a Turtle Wizard Eternal and gains Hexproof and
Trample.
{5}{r}: If Shelled Master is an Eternal, Put six
+1/+1 counters on it.