(Nonexistent mana costs can't be paid.)
Draw a card.
Splice onto Arcane (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.)

This land enters tapped.
As this land enters, choose a color.
: Add one mana of the chosen color.

: Add .
, : Target creature gets +1/+1 and gains trample until end of turn.

: Add .
, : Put target Zombie card from your graveyard on top of your library.

If a spell or ability an opponent controls causes you to discard a card, you may reveal that card and put it on top of your library instead of putting it anywhere else.
: Add .

Each land is a Swamp in addition to its other land types.

When this land enters, you gain 1 life.
Whenever an Angel you control enters, you gain 1 life.
: Add .

As this land enters, you may reveal a Giant card from your hand. If you don't, this land enters tapped.
: Add or .

: Add .

: Add .
, Sacrifice this land: Put your commander into your hand from the command zone.

: Add .
, : Draw a card, then discard a card.

This land enters tapped.
When this land enters, look at the top three cards of your library, then put them back in any order.
: Add .

This land enters tapped.
: Add .
, , Return this land to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle. If you control ten or more Gates with different names, you win the game.

This land enters tapped.
: Add .
, , Sacrifice this land: Draw two cards.

This land enters tapped.
: Add , , or .

: Add .
: Add or . This land deals 1 damage to you.

: Add .
, Sacrifice this land: Add .

, Sacrifice this artifact: Exile target player's graveyard.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — This Saga gains ": Add ."
II — This Saga gains ", : Create a 0/0 colorless Construct artifact creature token with 'This token gets +1/+1 for each artifact you control.'"
III — Search your library for an artifact card with mana cost or , put it onto the battlefield, then shuffle.

: Add .
, Sacrifice a creature: Add .

: Add .
, , Sacrifice this land: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Target creature gets +2/+2 until end of turn.

Players play with the top card of their libraries revealed.
, Sacrifice this artifact: Target player shuffles.

Haste
Sacrifice this creature: Another target creature gains haste until end of turn.

Put a +1/+1 counter on each of X target creatures.

: Add .

, Sacrifice this artifact: Exile target player's graveyard.
When this artifact is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Counter target spell unless its controller pays .

As long as there are two or more instant and/or sorcery cards in your graveyard, this creature gets +1/+0 and has haste. (It can attack and as soon as it comes under your control.)

As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature.

Target creature gets +2/+1 and gains haste until end of turn. Scry 1.

Target attacking creature gets +3/+3 until end of turn. If it's an artifact creature, it gains trample until end of turn.

Target creature gets -1/-1 until end of turn.
Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional .

Sacrifice this enchantment: Target creature gets +3/+3 until end of turn.

Counter target spell with mana value 2.