You have to get rid of a second card to pay the cost, but the tempo gain and protection offered in that exchange are much greater than the loss suffered by pitching some other blue or green card
(2/2/2024) Some abilities trigger "whenever you sacrifice a Clue"
Pump is Magic slang used when a creature grows bigger than the stats in the lower-right corner of the card indicate
They are: Pikachu (Base Set, 1999) Charizard (Base Set, 1999) Misty (Gym Heroes, 2000) Erika's Jigglypuff (Gym Heroes, 2000) Sneasel (Neo Genesis, 2000) Shining Celebi (Neo Destiny, 2002) Lugia (Aquapolis, 2003) Delcatty (EX Ruby & Sapphire, 2003) Dark Tyranitar (EX Team Rocket Returns, 2004) Scizor ex (EX Unseen Forces, 2005) Metagross (EX Delta Species, 2005) Palkia lv.X (Great Encounters, 2008) Uxie (Legends Awakened, 2008) Crobat G (Platinum, 2009) Gengar 'Prime' (Triumphant, 2010) Darkrai & Cressalia LEGEND (Triumphant, 2010) N (Noble Victories, 2011) Rayquaza EX (Dragons Exalted, 2012) Genesect EX (Plasma Blast, 2013) Mega Gardevoir EX (Primal Clash, 2015) Greninja BREAK (BREAKpoint, 2016) Solgaleo GX (Sun & Moon, 2017) Buzzwole GX (Crimson Invasion, 2017) Pikachu & Zekrom GX (Team Up, 2019) Zacian V (Sword & Shield, 2020) Raikou (Vivid Voltage, 2020) Mew VMAX (Fusion Strike, 2021) Arceus VSTAR (Brilliant Stars, 2022) Magikarp (Paldea Evolved, 2023) When we look at the list as a whole, it's interesting that Pokmon decided not to include one card from each year, but instead put a little extra focus on certain points and notable Pokmon sets from the game's history
However, this is almost never going to happen as you draw too many cards to have to worry about that
