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.
4RG: Other creatures you control get +1/+1 and gain trample and haste until end of turn.
![Agatha of the Vile Cauldron [Wilds of Eldraine Prerelease Promos]](http://tothetablebgc.myshopify.com/cdn/shop/files/7546d27d-286a-4abd-bb6e-068d4ba4314e_39c1c46b-d749-4e3e-b41e-1fb25eb2bfed.png?v=1776385243&width=1445)
