Ajax the Just

Vigilance, Haste, Trample
{3}{t} Put a +1/+1 counter on Ajax the Just.
Whenever a +1/+1 gets put on Ajax the Just,
untap all other creatures you control.
Whenever one of your creatures with a
power or toughness less than Ajax dies,
put a +1/+1 counter on Ajax.
When Ajax the Just has ten or more +1/+1
counters on him,
transform him into Ajax, the Unjust