Magmatic Insight

As an additional cost to cast this spell, discard a land card.
Draw two cards.

Circle of Dreams Druid

{T}: Add {G} for each creature you control.

Geosurge

Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells.

Forest

Mountain

Apocalypse Hydra

This creature enters with X +1/+1 counters on it. If X is 5 or more, it enters with an additional X +1/+1 counters on it.
{1}{R}, Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

Expedite

Target creature gains haste until end of turn.
Draw a card.

Burning-Tree Emissary

Priest of Urabrask

When this creature enters, add {R}{R}{R}.

Desperate Ritual

Add {R}{R}{R}.
Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)