On PTCGO, it is possible to build a huge collection from nothing with the trading system, however it is widely considered to not be intuitive or beginner friendly
There are a bunch of Commander Classics like Hornet Queen, Nantuko Vigilante, Caustic Caterpillar, future strong cards like Haywire Mite, multiplayer classics like flying regenerator Fog of Gnats and the card drawing and recurring Grave-Shell Scarab, token making Ant Queen, game winning rampers like Moldgraf Monstrosity, Giant Adephage and Living Hive
Having enablers that actually have a relevant impact will also be a big help
Putting free spells on a body is even better, because there are so many ways to abuse them
The gimmick of this drop was that children were given the task of drawing various creatures, and those drawings were given to proper Wizard of the Coast artists who drew the cards in the usual Magic quality
Pressure and counterspells good against combo