Leafkin Druid

{T}: Add {G}. If you control four or more creatures, add {G}{G} instead.

Sandwurm Convergence

Creatures with flying can't attack you or planeswalkers you control.
At the beginning of your end step, create a 5/5 green Wurm creature token.

Desolation Twin

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

Pelakka Wurm

Trample
When Pelakka Wurm enters, you gain 7 life.
When Pelakka Wurm dies, draw a card.

Declare Dominance

Target creature gets +3/+3 until end of turn. All creatures able to block it this turn do so.

Elvish Mystic

Llanowar Elves

Gigantosaurus

Dictate of Karametra

Flash
Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Ghalta, Primal Hunger

This spell costs {X} less to cast, where X is the total power of creatures you control.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Prodigious Growth

Enchant creature
Enchanted creature gets +7/+7 and has trample.

Terra Stomper

This spell can't be countered.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Forest

Heroes' Bane

This creature enters with four +1/+1 counters on it.
{2}{G}{G}: Put X +1/+1 counters on this creature, where X is its power.