This card debuted in 2008s Morningtide expansion, and while it does technically ding you for life loss based on the creature card thats revealed from the top of your library, if your deck is chock-full of Treefolk cards with far higher toughness than power, youll almost always be netting lifegain as opposed to losing life
Those are always beloved and heavily played, like Toski, Bearer of Secrets
Even with two or three lands and on-color spells, if everything costs too much mana to play in the early game, the player would spend the first few turns not doing anything
Closing out Part 1 is Scizor ex , and it represents the mechanic that gave the whole era its name: Pokmon-ex, the powerful lowercase-ex cards that handed your opponent two prizes when knocked out, a high-risk, high-reward tradeoff that reshaped deckbuilding