In
Magic: the Gathering, a spell that has, in addition to its main effect 'Draw a card'. A cantrip can be a modification of an existing card (generally costing 1-2 more colourless mana), for instance
stone rain (2R) vs
implode (4R), or have an effect that on its own is not worth even one
mana, for example
leap (U)
Target creature gains flying until end of turn. ; Draw a card.
If the spell fizzles or is countered, you don't get to draw the card.