When this enters the arena, choose an opponent.
At the beginning of their end phase, destroy this and you each gain 3{g}.
When you or a card you control is the target of an attack they control, destroy this and draw a card.
This costs {r} less to play for each Runechant you control.
Search your deck for a Runeblade aura with cost X or less, put it into the arena, then shuffle.
If X is 2 or more, this gets go again.