Not to mention that since each copy takes out 12 cards from your deck, you can only activate 2 copies of it during a duel since you will have only 119 cards left in deck after using 2 which if you do not have enough cards in the deck to resolve the effect then you cannot use the card
Once again, a big reason why Terapagos ex is so sought after is because of its value in the TCG

MTG Commander Masters Sliver decklist Heres a full decklist for the Silver Swarm commander deck from Creatures to Lands: Commander Sliver Gravemother Creatures 43 Galerider Sliver Striking Sliver Clot Sliver Cloudshredder Sliver Crypt Sliver Crystalline Sliver Diffusion Sliver Gemhide Sliver Hatchery Sliver Hibernation Sliver Manaweft Sliver Quick Sliver Sentinel Sliver Sinew Sliver Two-Headed Sliver Venom Sliver Winged Sliver Blade Sliver Blur Sliver Firewake Sliver Harmonic Sliver Hollowhead Sliver Lavabelly Sliver Necrotic Sliver Realmwalker Spiteful Sliver Syphon Sliver Bonescythe Sliver Bonesplitter Sliver Capricious Sliver Cleaving Sliver Lazotep Sliver Regal Sliver Shifting Sliver Taunting Sliver Brood Sliver Might Sliver Rukarumel, Biologist Sliver Hivelord Synapse Sliver Constricting Sliver Megantic Sliver Titan of Littjara Instants 1 For the Ancestors Sorceries 10 Farseek Natures Lore Three Visits Cultivate Harsh Mercy Windfall Crippling Fear Decimate Distant Melody Cleansing Nova Artifacts 7 Sol Ring Arcane Signet Fellwar Stone Pillar of Origins Heralds Horn Icon of Ancestry Vanquishers Banner Enchantment 1 Descendants Fury Lands 37 Ash Barrens Canopy Vista Cinder Glade Command Tower Exotic Orchard Flood Plain Forest Frontier Bivouac Grasslands Irrigated Farmland Island Jungle Shrine 2 Mountain Mountain Valley Mystic Monastery Nomad Outpost Opulent Palace Path of Ancestry 2 Plains Prairie Stream Rocky Tar Pit Sandsteppe Citadel Savage Lands Scattered Groves Seaside Citadel Secluded Courtyard Sheltered ThicketSmoldering Marsh Sunken Hollow 2 Swamp Unclaimed Territory Thats everything you need to know about the MTG Commander Masters Sliver precon deck

(1 in 3-5 maybe.) Works well against a lot old school decks
They tend to have a ton of planeswalkers in the deck, with many of them having powerful effects if you can get their ultimate ability off
To restore a Pokmon, the player must first play the corresponding Fossil Trainer card - which is treated as a Basic Pokmon and played to the bench