Giant Spider

Reach (This creature can block creatures with flying.)

Forest

Jayemdae Tome

Elvish Archers

War Mammoth

Green Mana Battery

{2}, {T}: Put a charge counter on Green Mana Battery.
{T}, Remove any number of charge counters from Green Mana Battery: Add {G}, then add an additional {G} for each charge counter removed this way.

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Llanowar Elves

Winter Blast

Tap X target creatures. Winter Blast deals 2 damage to each of those creatures with flying.

Elven Riders

Elven Riders can't be blocked except by Walls and/or creatures with flying.