You might already be running all these cards as individual synergy pieces and not even know they come together to form a combo
Ill repeat the general note that its much easier to cast in Bant Cube than in Cubes featuring all five colors, and that you should more or less consider gold cards to be as castable as their mono-color counterparts and evaluate cards more in terms of abstract power level than castability
This six-mana tutor is really quite good, and in decks that care about the graveyard, where the tutored cards end up matters very little
Therefore, ill only be touching on cards which hold an inherent power level and dont rely too much on synergy
Essentially it is a 0-cost spell to draw a card, and since it counts as an Instant, this could trigger Prowess abilities in Aggro decks
FAQ What Is The Best Pokmon Or MTG For Beginners