Raging River [Collectors' Edition] Bolas the Mocking Sage can't be

the Mocking Sage can't be blocked by creatures with horsemanship

Set: Legends Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {3}{U}{B} {X}

you may cast spells from among them

Set: Portal Three Kingdoms Type: Creature — Cat Rarity: Uncommon Cost: {2}{G}{G} Forestwalk (This creature can't be blocked as long as defending player controls a Forest

could not hold out for long

Raging River [Collectors' Edition] Bolas the Mocking Sage can't beSet: Collectors' 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.