Memorial to a Fallen Man

When this artifact transforms into Memorial to a Fallen Man, and at the beginning of each upkeep,
put a time counter on it.
Remove a time counter from Memorial: until end
of turn creatures you control gain your choice of
first strike, vigilance, or +1/+1.
Remove a time counter from Memorial: until end
of turn target creature gains your choice of
lifelink, deathtouch, double strike, or haste.