You can have emptied your hand on turn two and be ready to use your spare mana to tie up theirs with little to no impact on your curve at all
The given description for Scions & Spellcraft is quite vague, but it seems to suggest a Spellslinger-style deck with accrued card advantage as a focus
For example, it can't be used during the resolution of an ability that says "Counter target spell unless its controller pays ." (2/9/2017) If an artifact you control has a mana ability with in the cost, activating that ability while casting a spell with improvise will result in the artifact being tapped when you pay the spell's costs
For years, players demanded we make Contraptions
The devotion ability just isnt reasonable in multiplayer environments, making this Theros all-star not just the best zombie in Magic, but one of the best black cards ever printed
Grisly Salvage , Mulch , and Skull Prophet could give you more milling to feed your foraging abilities if you prefer that to sacrificing Food tokens.