Demon of the Trident

Indestructible, Trample
Whenever Demon of the Trident deals damage to an opponent who sits the Iron Throne, you sit the Iron Throne instead.
Seeds of Rebellion—{3}{g}:Place a +1+1 counter on
target creature and goad it.
"The peerless Robert Baratheon, demon of the Trident,
the fiercest warrior of the realm, a giant among
princes." —Jon Snow