Forest

Winged Sliver

Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flash
Any player may cast Sliver spells as though they had flash.

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

All Sliver creatures have "{2}: This creature gets +0/+1 until end of turn."

All Sliver creatures have frenzy 1. (Whenever a Sliver attacks and isn't blocked, it gets +1/+0 until end of turn.)

Sliver creatures you control have "{T}: Add one mana of any color."