The Hive [International Collectors' Edition] Bird Egg Fools surrender their sanity to

Fools surrender their sanity to his riddles

This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four

Molasses comes to mind

{T}: Exile any number of cards from your hand face down

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {1}{B} Target player sacrifices a creature

The Hive [International Collectors' Edition] Bird Egg Fools surrender their sanity toSet: International Collectors' Edition Type: Artifact Rarity: Rare Cost: {5} {5}, {T}: Create a 1 1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)