Savage Martyr

When you cast Savage Martyr, creatures you
control get haste and +1/+1 until the end of turn.
When Savage Marytr enters the battlefield,
creatures you control get trample and +1/+1 until
end of turn.
When Savage Martyr enters the graveyard from anywhere, creatures you control get +1/+1 until
end of turn. Regenerate them.