In the vast majority of games, the life that your opponent gains from you nuking their creatures with Swords to Plowshares will not amount to much, unless theyre playing a black deck with life-to-resource cards (watch out for Toxic Deluge or worse, Yawgmoths Bargain !) Swords to Plowshares isnt a particularly expensive card, and its very easy to find
Even with just two other dorks, say a wall and a mana elf the Sublime will be able to attack for seven
Each one pays for .) Whenever an opponent draws their second card each turn, you draw two cards
With the correct setups and deck construction, this can often allow Glissa decks to return numerous artifacts from the graveyard in a single turn rather than the more restricted approach found in the aforementioned Emry
Obviously, seasoned veterans need not worry and can blaze through these, but for new players these tutorials do a great job of explaining how to play MTG
If you'd rather try to get more cards and chance pulling a Galvantula ex, though, try Stellar Crown boosters in bulk at Amazon or individually from the likes of Miniature Market