This solves Reds biggest problem in Commander, which is needing ramp but not wanting to take a turn off from attacking
This allows Psychatog to be a rather grindy threat, removing cards from the graveyard when necessary to pack an extra punch
There is no hard limit
You may choose to pay the mana cost or an alternative cost for spells you cast, even if their converted mana cost is less than or equal to the number of lands you control
Youll generally want your mana curve to be a bell curve of sorts, with a few one- and two-mana spells, a higher concentration of three- to four-drops, and then a few cards that cost five or more
Like most Magic: The Gathering cards, the value of Dragonologist depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Tarkir: Dragonstorm)