if you happen to play more than one, simply use their flicker on targets other than Yorion each loop for some extra value
Often, more experienced players will buy these as well, as they often offer many energy and trainer cards that are much needed for their decks at an affordable price
The fact that players generally needed to summon a monster then tribute it to get their most powerful creatures onto the field actually made ritual monsters theoretically the fastest way to summon high-power monsters onto the field, provided you had the necessary materials
I figured I was a little too "old school", so I thought I'd do a couple Synchro monsters
The rarest cards in Pokemon TCG Pocket are the Golds , for example
4 Burning-Tree Emissary An obvious combo with Nykthos and a body that can kill fast with Garruk Wildspeakers ultimate