Create a 3/3 green Centaur creature token.

Fuse (You may cast one or both halves of this card from your hand.)

Deathtouch

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield. Put a deathtouch counter on either of them. Then put a menace counter on either of them.

Destroy target land. You gain 2 life.

Put target creature on top of its owner's library. If that creature is red, you may put it on the bottom of its owner's library instead.

As Farewell to Arms enters, choose a hand attached to an opponent's arm.

When the chosen hand isn't behind its owner's back, sacrifice Farewell to Arms. If you do, that player discards their hand . . . of cards. (The lawyers wouldn't let us do it the other way.)

Whenever a creature with flying attacks, it loses flying until end of turn.

When Ichor Wellspring enters or is put into a graveyard from the battlefield, draw a card.

Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

: Add . This mana can't be spent to pay generic mana costs.

: Add .

, , Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

When Mycosynth Wellspring enters or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Destroy target land. Poison the Well deals 2 damage to that land's controller.

Menace

When this creature enters, create two 1/1 black Rat creature tokens with "This token can't block."

At the beginning of your upkeep, you may sacrifice another creature. If you do, put a +1/+1 counter on this creature and exile the top card of your library. You may play that card this turn.

Creatures you control get +2/+2 until end of turn.

Reinforce X— (, Discard this card: Put X +1/+1 counters on target creature.)

Enchant land

When Tainted Well enters, draw a card.

Enchanted land is a Swamp.

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature.

At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.

: Tap another target creature.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

At the beginning of each upkeep, if Tombstone Stairwell is on the battlefield, each player creates a 2/2 black Zombie creature token with haste named Tombspawn for each creature card in their graveyard.

At the beginning of each end step and when Tombstone Stairwell leaves the battlefield, destroy all tokens created with Tombstone Stairwell. They can't be regenerated.

Players don't lose unspent mana as steps and phases end.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — For each player, exile up to one other target enchantment or creature that player controls until Vault 13 leaves the battlefield.

II — You gain 2 life and scry 2.

III — Return two cards exiled with Vault 13 to the battlefield under their owners' control and put the rest on the bottom of their owners' libraries.

Well Done deals 5 damage to target creature. If that creature is rare or mythic rare, Well Done deals 3 damage to that creature's controller.

When Well of Ideas enters, draw two cards.

At the beginning of each other player's draw step, that player draws an additional card.

At the beginning of your draw step, draw two additional cards.

At the beginning of your end step, if you control no untapped lands, you gain 2 life.

Enchant creature

Enchanted creature has "Whenever this creature becomes untapped, put two +1/+1 counters on it, then you gain 2 life and draw a card. This ability triggers only once each turn."

Prevent all damage that would be dealt to a creature by another creature if they share a color.

: You gain 1 life for each Elf on the battlefield.

When Witching Well enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

, Sacrifice Witching Well: Draw two cards.