+example (3)
Support 2. (Put a +1/+1 counter on each of up to two target creatures.)
Each opponent separates the creatures they control into two piles. For each opponent, you choose one of their piles. Each opponent sacrifices the creatures in their chosen pile. (Piles can be empty.)
When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.
Gatherer works better in the Companion app!