Waiting until later in the game gives you more opportunities to cast some of the new spells you just drew but also could refill your opponents hand for their next turn
Perhaps you really want a go on something in their bin - time to exile it with Ashiok for the -X
You can't destroy Stardust Dragon with a card effect, but you can Brian Control it and use it as a Synchro Material
In the Sherry Rubran route, before Yusei can go to the main round of WR-GPX, he and Luka are put into a coma by Sherry & Konami's tag, and pass by as Bruno and are shocked to see Yusei
Needing to play against blue or black opponents is a bit restrictive, but this card punches well above its weight as a cheap, interactive 2-for-1
How to accommodate a 3-color deck While Tarkir sets seem to push you toward building decks with ambitious mana requirements, seasoned players will know how easy it is to fall prey to a decks inability to draw the necessary colored lands in the ideal order