An alter is when someone takes paint and puts it on an existing, official card, explains Meghan Sheepwave Burden, a proxy artist with a flair for doing weird and potentially painful but awesome things in the MTG community
This makes Abandoned Air Temple a solid upgrade on a land that can break ties, stalls and nearly counts as a win condition with little other support
Those that do not have a Tera Pokmon in play must discard Pokmon from the bench until they have five
And not only is it tough, but it can chew up the graveyard, to combat opposing Tarmogoyfs, Snapcaster Mages, Grim Lavamancers, dredge cards (like Life from the Loam), and presents a serious clock to the opponent
At 63 x 88mm, they're exactly the same size as standard Magic cards, which means they fit perfectly in your sleeves, deck boxes, and anywhere else you keep your cards