If the true card never surfaced, we'd never know if it was true
Rottenmouth Viper I dont know if I want to sacrifice creature tokens for this, so Ill likely ditch to Food tokens or Clue tokens
Check out the Outlaws of Thunder Junction Card Image Gallery to see cards from these decks and the rest of the set, including Booster Fun treatments that'll have you as tickled as a two-tailed pup
Any power- or toughness-setting effects that start to apply after The Mechanist, Aerial Artisan's ability resolves will overwrite this effect
The possibilities for degenerate play lines here are endless: you can drop huge threats, funnel mana into win conditions like Helix Pinnacle, or just give your creatures pseudo-vigilance by using the ability post-combat
Of course, this isn't a feature restricted to older cards: one of the most beautiful Magic cards ever, Seek the Wilds by Anna Steinbauer, is from the Battle for Zendikar block