Reaper King [Secret Lair Drop Series] War of the Spark Promos Canal Courier can't be blocked

Canal Courier can't be blocked this combat

my lightning comes before the clouds

sacrifice it unless you sacrifice any number of creatures with total power 12 or greater

{T}: Target creature gets +2/+0 until end of turn

{3}{B}: Target player discards a card

Reaper King [Secret Lair Drop Series] War of the Spark Promos Canal Courier can't be blockedSet: Secret Lair Drop Series Type: Legendary Artifact Creature Scarecrow Rarity: Mythic Cost: {2 W}{2 U}{2 B}{2 R}{2 G} ({2 W} can be paid with any two mana or with {W}. This card's mana value is 10.) Other Scarecrow creatures you control get +1 +1. Whenever another Scarecrow enters the battlefield under your control, destroy target permanent. It's harvest time.