When a species becomes so dominant that no other can compete, evolution gets creative.

Commander Masters

Two-Headed Sliver

All Sliver creatures have menace. (They can't be blocked except by two or more creatures.)

"That which would be a fatal mutation in any other species is merely a source of new powers. I am intrigued, yet too fearful to examine it more closely."
—Rukarumel, field journal

Secret Lair Drop

Time Spiral Remastered

Time Spiral

All Slivers have "This creature can't be blocked except by two or more creatures."