You may exile two green cards from your hand rather than pay Allosaurus Rider's mana cost.

Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control.

: Untap target Forest.

Tap two untapped Elves you control: Add one mana of any color to your mana pool.

Morph (You may cast this face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Haste

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

: For each color among permanents you control, add one mana of that color to your mana pool.

Each other Warrior creature you control enters the battlefield with an additional +1/+1 counter on it.

Each creature you control with a +1/+1 counter on it has trample.

Metalcraft — Carapace Forger gets +2/+2 as long as you control three or more artifacts.

When Civic Wayfinder enters the battlefield, you may search your library for a basic land card, reveal it, and put it into your hand. If you do, shuffle your library.

Whenever Copperhorn Scout attacks, untap each other creature you control.

: Cylian Sunsinger and each other creature with the same name as it get +3/+3 until end of turn.

: Exile target land card from a graveyard. Add one mana of any color to your mana pool.

, : Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

, : Exile target creature card from a graveyard. You gain 2 life.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Deranged Hermit enters the battlefield, put four 1/1 green Squirrel creature tokens onto the battlefield.

Squirrel creatures get +1/+1.