+careful (3)
Target player draws four cards, then discards three cards. If you cast this spell during your main phase, instead that player draws four cards, then discards two cards.
Enchant artifact or creature
As long as enchanted permanent is a creature, it gets +1/+3 and has reach and ": Add ."
Channel — , Discard Careful Cultivation: Create a 1/1 green Human Monk creature token with ": Add ."
Draw two cards, then discard two cards.
Gatherer works better in the Companion app!