Disdainful Stroke

Counter target spell with converted mana cost 4 or greater.

Llanowar Elves

Tap to add green mana to your mana pool. This tap can be played as an interrupt.

Temple Garden

Glacial Fortress

Sunpetal Grove

Baffling End

When Baffling End enters the battlefield, exile target creature an opponent controls with converted mana cost 3 or less. When Baffling End leaves the battlefield, target opponent creates a 3/3 green Dinosaur creature token with trample.

Incubation Druid

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead. {3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

Hydroid Krasis

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample Hydroid Krasis enters the battlefield with X +1/+1 counters on it.

Breeding Pool

({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Hallowed Fountain

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Negate

Counter target noncreature spell.

Plains

({T}: Add {W}.)

Forest

({T}: Add {G}.)