For example, if youre building a deck around Urza, Lord High Artificer, you probably want a ton of cheap artifact creatures you can tap for mana, and then big heavy hitters you can cast with his second ability and all of that mana you generate
Cecil, Dark Knight and Zack Fair both show up as full playsets here
Sadly, the older codes from these decks have now expired, and the decks themselves are very difficult to come by (they're all unavailable on Amazon US and UK) - so you'll struggle to find an unopened copy with an intact code for a reasonable price
If you make your 3/3 lifelink fight another creature, it will deal 3 damage and youll gain 3 life regardless of whether your creature survived the fight or not
6 Feasting Hobbit So long as you have even a single food token for this big halfling to eat, it's a 5/5 for two mana that can't be blocked by anything smaller than itself
Most Birds have flying, making it even harder for your opponents to block them