In the 2005-2006 season, points could be earned by actions such as attending official or club-hosted events, uploading info to their site, and reaching certain tournament placements, each of which would net you a couple hundred points
If another player gains control of Savvy Trader, that player can't play the card, and you still can
The card types in Magic include artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery
To be able to get the right equipment, spells like Open the Armory are of great use, which can be a very strong combination when combined with Stoneforge Mystic and Sigardas Aid, for example
That could be the creature with the bolster ability, if it's still under your control and has the least toughness