Cadstar, Offspring of Keranos

As long as your devotion to blue and red is
more than three each, whenever you reveal
a card, put a +1/+1 counter on Cadstar, Offspring of Keranos and it has "{t}, remove
two +1/+1 counters: Deal 2 damage to
target creature or player."

"It would have been less enjoyable had you surrendered."