Reuben von Zählen

If Reuben von Zählen attacks with 1 or more legendary creatures, Reuben von Zählen gains
trample until end of turn
{2}{g} This creature gains toxic 2 until end of turn.
This ability can only be activated once per turn.
"When I was on Earth, I heard something that stuck
with me: Homies help Homies, always." - Reuben