To this day, its unknown how many are actually left
Echo means "At the beginning of your upkeep, if this permanent came under your control since the beginning of your last upkeep, sacrifice it unless you pay [cost]." With Old Fogey, there's no cost listed because in ye olden days it was just the mana cost
This happening was also part of one of the first and biggest counterfeit cases in the early magic history
It's great for controlling strategies, especially Stax (decks which essentially make it impossible for most decks to do anything and then do a point or two of damage every turn) and landfall, but aggro
The player then travels to defeat Club Masters, who each specialize in a specific Pokmon card type, before then facing the four Grand Masters and the Champion
The main difference between Crusade and Jihad is that the latter is based on Islam