Have to say, I don't think it was a card at all.
He hit the carrier below the centre of gravity, which means that the carrier was always going to topple. For me, that wasn't a lift, it's what happens when you hit a carrier below their centre of gravity whilst your knees are on the ground, 2 things can happen - your hips flex and you get knocked off the tackle, or they don't, and it looks like a lift because that's how biomechanics works - which makes it look far worse than it is.
AKA, there was no lift, no tip, and no downwards force.
Possibly not even a penalty, rugby incident