Whenever a player casts an instant or sorcery card, exile it. Then that player copies each instant or sorcery card exiled with this enchantment. For each copy, the player may cast the copy without paying its mana cost.

As an additional cost to cast this spell, sacrifice a land.
Shard Volley deals 3 damage to any target.

Spells cost less to cast.

Whenever Sidisi enters or attacks, mill three cards.
Whenever one or more creature cards are put into your graveyard from your library, create a 2/2 black Zombie creature token.

You may exile a green card with mana value X from your hand rather than pay this spell's mana cost.
You gain X life.

This artifact enters with three charge counters on it.
, Remove a charge counter from this artifact: Target player mills two cards.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, target opponent reveals their hand. You choose from it a nonland card with mana value 3 or less and a card with mana value 4 or greater. That player discards those cards.

Target creature gets +1/+1 until end of turn. That creature gets an additional +4/+4 until end of turn unless any player pays .

Lifelink, protection from mana value 3 or greater

Target player gains X life.

Enchant creature
Enchanted creature gets +1/+1 for each Elf you control and has reach.
: Return this card from your graveyard to your hand.

Whenever a Forest you control enters, this creature gets +2/+2 until end of turn.
Whenever you cast a Treefolk spell, this creature gets +2/+2 until end of turn.

At the beginning of combat on your turn, this creature gains banding until end of combat. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's blocking.)
Whenever this creature becomes blocked by a Wall, destroy that Wall at end of combat.

: Destroy all other enchantments.

You may cast creature spells as though they had flash.
+1: Until your next turn, up to one target creature gains reach and vigilance.
−2: Look at the top three cards of your library. Exile one face down and put the rest on the bottom of your library in any order. For as long as it remains exiled, you may cast it if it's a creature spell.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

, Tap two untapped creatures you control: This creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Draw four cards. You lose half your life, rounded up.

(: Add .)

This land enters tapped.
: Add or .
: Until end of turn, this land becomes a 1/4 blue and red Elemental creature with ": Switch this creature's power and toughness until end of turn." It's still a land.