While the mechanic itself is pretty general, there now exist quite a few cards that reward players for casting spells from zones other than their hands, usually from exile
Youre better off making the effect permanent with a reminder in that case, although prefer those when the cards are in exile and can be easily separated/attached/moved around instead of the battlefield
Essential cards for Modern can easily be worth $10 or more, and the enemy-color fetchlands haven't been reprinted since Modern Masters 2017 , meaning they are quite expensive
Creature Artifact - Myr Phyrexian Color tag templates(None) Lodestone Myr Trample Tap an untapped artifact you control: This creature gets +1/+1 until end of turn
Sure youre drawing two and using them first, but your opponents collectively are drawing six
Between flashback and the ability to discard multiple copies of a card at once, the ceiling is lost in the clouds