Raging River [Beta Edition] Swamp Simic mutationist

Simic mutationist

where X is the total power of the creatures sacrificed this way

It enters the battlefield with twice that many +1/+1 counters on it

Set: Alpha Edition Type: Enchantment — Aura Rarity: Rare Cost: {W}{W}{W} Enchant land

*Discourse on Method*

Raging River [Beta Edition] Swamp Simic mutationistSet: Beta Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.