Altar Stone

{1}{w}:{t} Target creature gains First Strike
{1}{u}:{t} Target creature gains Flying
{1}{b}:{t} Target creature gains Deathtouch
{1}{r}:{t} Target creature gains Haste
{1}{g}:{t} Target creature gains Trample
Sacrifice Altar Stone if at least one of these
abilities wasn't played during each your turns.