mtg cards that make all creatures one type Phyrexian Swarmlord [Phyrexia: Will Be Commander] Infect (This creature deals damage to creatures in the form of A magic corner of the

You will be able to find these ichor cards in Set, Draft, and Collector Boosters as well as select cards in the Collector Booster Sample Packs that come with Commander decks

Since it isnt an activated ability it cant be Stifled

While it may be your first thought that those abilities wouldnt work if the creatures name changes because of a mutation, it actually does

Cloud, Ex-SOLDIER (Limit Break) Cloud, Ex-SOLDIER leads the red-green-white Limit Break deck that focusses on equipping weapons, raising your stats past 7 power. Thematically, it ties well into Final Fantasy 7 and its Limit Break system, with the deck allowing you to buff your creatures with equipped weapons, and then gain certain abilities based on this power