Being able to control what cards you get is really helpful, especially early on, and getting the right song at the right time could really change the pace of a game - plus, if you get a high cost song, you can easily sing it next turn once her ink is dry
Japanese booster packs contain five cards compared to ten in English packs, and Japanese booster boxes typically include 30 packs versus 36 in English boxes
If you bring a creature to the battlefield during the opponent's turn (for example, Teferi Mage of Zhalfir), and the cunning opponent phase it out, Teferi will phase in at the beginning of your untap step, and you can attack with it during the same turn
This made me think, are there any other solid color cards like these
Sometimes its a fun challenge to have all the creatures restricted to the particular the tribelike my Karrthus, Tyrant of Jund deck, which has only two non-Dragons, Solemn Simulacrum and Sakura-Tribe Elder (hey, Dragons are expensive and need some help getting going)
But "only" one Grand Prix win