rfid credit card sleeves target ArmorShield Blocking for Cards, 5-Pack Gray, USA Made this RFID Sleeve is thin enough to slide right into your wallet. RFID Blocking Sleeves - RFID

Cards Needed to Complete A Swarm of Bug Pokemon

As for some of my own favorite Energy cards, the HGSS ones posted by @lyleberr are awesome for sure

Encroaching Wastes A common method of nonbasic land destruction is colorless lands that sacrifice themselves for a mana cost to destroy the opposing land

3 - Chaotic Swell This Stadium goes into this position because besides being a card that plays in Mewtwo & Mew-GX UNM 71 decks precisely to be an answer against Silent Lab PRC 140, it also doesn't affect your ability of copying EX and GX Pokmon attacks from the discard pile, being an essential card for this strategy

Getting to dome someone for 5 when you cast a Force of Will