A non-foil source material card appears in 1 of every 26 Play Boosters
Determining which sets are the most valuable can be a little tricky since prices tend to fluctuate regularly
The abilities on [casthaven]Endless Sands[/casthaven] require a lot of mana, but seeing as its first and foremost a land that taps for mana, that might not be the dealbreaker it otherwise would have been
Although card advantage is not the be-all and end-all of how you should play any game of Magic , its persistent position at the top of the theoretical pyramid was earned, and is earned, year after year and day after day, by its useful applicability to in-game situations
That means that I've surely missed some fantastic pairings, but I still think this "mix of old and new" approach was worth doing
Legality depends on the tournament format -- Ink-Treader Nephilim can be legal in some formats and banned or restricted in others