Older cards don't have a set code so, you need to know the symbol for each set to be able to tell on-sight, but a quick search over on Gatherer can help you out when youre not sure
And of course, avoid unlucky 13
But if anyone controls a creature then you can copy it and tap it for a Blue mana, and it's an artifact too
While The Initiative is well-designed in multiplayer formats such as Commander (which is what it was designed for) but is outrageous in one-vs.-one formats because it is often simply too difficult for the opponent to take the Initiative from you
Anger of the Gods, Command Tower, and Bow of Nylea arent high-value, but all three are solid cards wed certainly play in Commander decks, and Ive put this entire Secret Lairs contents right in my Lara Croft, Tomb Raider deck
Once you know the mechanics its easy to get lost in the world, so do a Quick Draft or test your deck-building skills