In general, drawing cards tends to be a tempo-negative play: You spend resources to get cards that you may use later, rather than affecting the board right now
You can banish this card from your GY, then target 1 Level 8 or lower "Stardust" monster in your GY
Cold, stylish, and absolutely lethal
Thus I suggest buying playsets of Heart of Kiran for investment
Back Crystallized Serah Legendary Artifact The first legendary creature spell you cast each turn costs less to cast
This is the epitome of a powerful warp card, because you can either FlickerFlicker it, draw a card and put some big haymaker onto the battlefield for free, or you might want to repeat the same process but add to your land count instead, thus making sure your next go will cheat out the huge permanent you couldn't earlier