(: Add .)

This land enters tapped.
: Add .
, Sacrifice this land: Add .

Freerunning—Return a blue creature you control to its owner's hand. (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)
Return target creature to its owner's hand.
Draw a card.

When this creature enters, create a number of 1/1 green Squirrel creature tokens equal to your devotion to black. (Each in the mana costs of permanents you control counts toward your devotion to black.)

Sacrifice a creature: Regenerate this creature.
, : Search your library for a Mercenary permanent card with mana value 6 or less, put it onto the battlefield, then shuffle.

Whenever another black creature you control enters, target creature gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Destroy target nonblack creature. Its controller loses 2 life.

Sacrifice this creature: Destroy target enchantment.

Whenever a creature you control attacks, it gets +2/+0 until end of turn and this enchantment deals 1 damage to you.
Hellbent — As long as you have no cards in hand, if a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
, Sacrifice this creature: Destroy target artifact or enchantment.

(As this Saga enters and after your draw step, add a lore counter.)
I — Return up to one target creature or planeswalker to its owner's hand.
II — Return an artifact card from your graveyard to your hand. If you can't, draw a card.
III — Exile this Saga, then return it to the battlefield transformed under your control.

Enchant land
Enchanted land has "At the beginning of your upkeep, you may pay . If you do, you gain 1 life."

As long as your life total is greater than or equal to your starting life total, creatures you control get +1/+1.
Whenever one or more creatures you control attack, you gain life equal to the number of attacking creatures.

Destroy target creature that was dealt damage this turn.
Draw a card.

Destroy target creature.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Create two 1/1 white Human creature tokens.
Fateful hour — If you have 5 or less life, create five of those tokens instead.

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
: Add .

(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.)

Whenever you cast a Spirit or Arcane spell, you may destroy target nonbasic land.

Other Merfolk creatures you control get +1/+1.
: Target Merfolk creature can't be blocked this turn.