Dragon Whelp

Flying
{R}: This creature gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice this creature at the beginning of the next end step.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Craw Wurm

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Sol Ring

Forest

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Mountain

Kird Ape

This creature gets +1/+2 as long as you control a Forest.

Grizzly Bears

Taiga

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.