Agatha of the Vile Cauldron

Activated abilities of creatures you
control cost {x} less to activate, where X
is Agatha of the Vile Cauldron's power.
This effect can't reduce the mana in
that cost to less than one mana.
{4}{r}{g}: Other creatures you control get
+1/+1 and gain trample and haste until
end of turn.