"Dash [cost]" means "You may cast this card by paying [cost] rather than its mana cost," "If this spell's dash cost was paid, return the permanent this spell becomes to its owner's hand at the beginning of the next end step," and "As long as this permanent's dash cost was paid, it has haste." If you choose to pay the dash cost rather than the mana cost, you're still casting the spell
Strategic Planning Careful Study Frantic Search Planning is somewhat of a See Beyond for decks with some graveyard synergies rather than library ones
The red and blue colors pop among the darker shades, drawing your eyes there first
Why are blue cards considered the control color
In general, mulligan for inkable cards and either Daisy or Turbo for turn 2
Just look at the last set and how green plays with +1/+1 counters and they'll almost certainly work beautifully