If you target a spell that can’t be countered, like Heated Debate, you won’t counter the spell, but you will get to cast a spell with an equal or lesser mana value.
16-04-2021
wotc
If the spell you cast has {X} in its mana cost, you must choose 0 as the value of X.
16-04-2021
wotc
This can be used to cast either face of a modal double-faced card, but only if the face you are casting has an equal or lesser mana value than the target spell.
16-04-2021
wotc
If you cast a spell “without paying its mana cost,” you can’t pay any alternative costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, you must pay those.
16-04-2021
wotc
If a spell with {X} in its mana cost is countered this way, {X} is the value chosen as the spell was cast.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.