Break Open will trigger those effects
The theory is that, as Yedora3 brings back non-token creatures as face down and lands, the ability does not remove the interaction between Morph or disguise and being face down - I can morph in a creature, turn it face up for effect, throw it at the enemy to get it killed, bring it back as a face-down card that is a forest, then flip it face up (again) for its morph cost
Seel has the following attacks: Headbutt - 30 damage
EB Games (Canada) exclusive stamped promo, given out with qualifying purchases
(And then either add a load more of sacrifice options or just use it as a post-death army.) This deck needed an engine to really push it
This could serve to raise the value as collectors may want the set , featuring a Super Rare, Enchanted, and the Championship Promo