Utopia Sprawl

Enchant Forest
As Utopia Sprawl enters, choose a color.
Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.

Forest

Gigantosaurus

Lotus Petal

{T}, Sacrifice Lotus Petal: Add one mana of any color.

Arbor Elf

Priest of Titania

{T}: Add {G} for each Elf on the battlefield.

Berserk

Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

Instill Energy

Enchant creature
Enchanted creature can attack as though it had haste.
{0}: Untap enchanted creature. Activate only during your turn and only once each turn.

Concordant Crossroads

Rancor

Enchant creature
Enchanted creature gets +2/+0 and has trample.
When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.

Elvish Spirit Guide

Exile Elvish Spirit Guide from your hand: Add {G}.

Glimpse of Nature

Whenever you cast a creature spell this turn, draw a card.