In my experience, the grainy imaging or the odd saturation of the card is the easiest to spot
(It can deal excess combat damage to the player or planeswalker it's attacking.) When this Aura is put into a graveyard from the battlefield, draw a card
This page shows current market prices, recent eBay sales, PSA graded values, and price history for this Pokemon card from Kalos Starter Set
The need to not miss land drops early would leave both decks with lots of land and not that much to do with it, allowing a player with Goblin Trenches to pressure the opponent slowly, go all-in or do anything in between and usually make their choice work
The number of duplicates that must be used will depend on the rarity of the card the rarer the card, the more dupes you will need
Space-Time Smackdown in Pokmon TCG Pocket focuses on the Sinnoh region, with cards split into two packs: Palkia and Dialga