Halving Season (Unknown Event #UB)

Halving Season {4}{B}

Enchantment

If an opponent would create one or more tokens, they create half that many of each of those kinds of tokens instead, rounded down.

If an opponent would put one or more counters on a permanent or player, they put half that many of each of those kinds of counters on that permanent or player instead, rounded down.

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny