Spend only black mana on X.
Consume Spirit deals X damage to any target and you gain X life.

If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
, Exile three creature cards from your graveyard: Put an indestructible counter on Drivnod. ( can be paid with either or 2 life.)

Counter target artifact, creature, or planeswalker spell. Its controller creates a 2/2 blue Bird creature token with flying.

Whenever you put one or more counters on a creature, until end of turn, that creature can't be blocked by creatures your opponents control.
Steal — , : Move a counter from target creature an opponent controls onto target creature you control. Activate only as a sorcery.

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

Exile target instant or sorcery card from a graveyard. Copy that card three times. You may cast the copies without paying their mana costs. Exile Mnemonic Deluge.

This land enters tapped unless you control two or more other lands.
: Add or .

When this creature dies, search your library for any number of creature cards with total mana value 6 or less, put them onto the battlefield, then shuffle.

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

Choose one —
• Search your library for a creature or land card and reveal it. Put it onto the battlefield tapped if it's a land card. Otherwise, put it into your hand. Then shuffle.
• Put a +1/+1 counter on target creature you control. It deals damage equal to its power to target creature you don't control.
• Exile target artifact or enchantment.

Equipped creature gets +1/+1 for each land you control.
Equip legendary creature
Equip

, : Reveal cards from the top of your library until you reveal a nonland card. You may erase any number of words on the card, including flavor text, as long as the card still makes sense. Then cast the revised card without paying its mana cost. Put all other cards revealed this way on the bottom of your library in a random order.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Reach, trample
Whenever this creature mutates, destroy target artifact or enchantment an opponent controls.

Flash
Other Merfolk you control get +1/+1.
Sacrifice a Merfolk: Counter target noncreature spell unless its controller pays .

Reach, trample
When Vorinclex enters, search your library for up to two Forest cards, reveal them, put them into your hand, then shuffle.
: Exile Vorinclex, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

(As this Saga enters and after your draw step, add a lore counter.)
I — Create a 2/2 red Goblin Shaman creature token with "Whenever this token attacks, create a Treasure token."
II — You may discard up to two cards. If you do, draw that many cards.
III — Exile this Saga, then return it to the battlefield transformed under your control.

Sacrifice an artifact: This creature gets +1/+1 until end of turn.
Sacrifice a land: This creature gets +1/+1 until end of turn.

Hexproof
At the beginning of combat on your turn, put two +1/+1 counters on another target creature you control.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Take an extra turn after this one. Skip the untap step of that turn.

Nonbasic lands are Mountains.