White-black-green brings forth the other direction: a deck which couldn't have existed beforehand or only using main-set cards but works precisely because we made a deck for it
For three additional mana, you can create a token copy of either an artifact or a creature you control, which is great if youve got only one big creature in your deck
3 Reflecting Pool The Lands Empower The Lands Reflecting Pool will have you reflecting on which other lands you include alongside it, as it requires other lands to take advantage of its potential
in return, you'll get some exciting bonuses
If youre rebuilding a Core deck on a budget, this is where to start, none of these will break the bank, and all 10 are a single online order away
And none of that considers what will happen to MTGPQ when Magic: the Gathering Arena is released (theoretically some time next year)