A Scavenging Ooze that has an easier time going big and can even transfer its size to an evasive body certainly makes a good case for itself on paper
They can still trigger with value
Rakdos typically loves self-sacrifice and combat
Note that this works for when any creature attacks, not just yours, so when someone attacks you and triggers a defensive card you also net the trigger twice, so you could play this in a Pillow Fort deck build around things like Cunning Rhetoric and Search the Premises
But this cards effect is symmetrical, meaning when you damage your opponents creatures, you are giving your opponent, the creatures controller, a massive card advantage
Summon: Bahamut [Borderless Foil] #356 (Magic Final Fantasy | Magic Cards) prices are based on the historic sales