Haste
Ward—Pay 2 life.
Whenever you cast a spell that targets Efimia of the Horse, create a 1/1 white Human creature token if this is the first time this ability has resolved this turn. If it's the second time, creatures you control get +1/+0 and gain haste until end of turn. If it's the third time, creatures you control gain menace until end of turn.

When Eidolon of Empty Thoughts dies, create a Treasure token.
{6}: Create a 2/1 red Soldier creature token. Activate only as a sorcery and only if your devotion to red is three or more.

First strike, lifelink
When this creature transforms into Eleanor, Kingslayer, exile up to one target creature. If that creature was legendary, put two +1/+1 counters on Eleanor.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

Whenever you amp it up, target creature can't block this turn.

Discard up to two cards, then draw that many cards. If you discarded two cards that share a type this way, draw a card.

{1}{U}, {T}, Sacrifice Emulation Expert: Gain control of target creature you don't control with mana value 3 or less. Its owner creates a tapped token that's a copy of it. Activate only as a sorcery.

Target creature gains protection from the color of your choice until end of turn. Scry 1.

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn.

Ephemeral Mire enters the battlefield tapped.
{T}: Add {U} or {B}.
{4}{U/B}: Until end of turn, Ephemeral Mire becomes a 3/2 black and blue Horror creature until end of turn and can't be blocked this turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to black and blue. Activate only once each turn.

Target creature gets +X/+0 and gains trample until end of turn.
Draw a card.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Target creature gains haste until end of turn.
Draw a card.

Exile target artifact, creature, or planeswalker you control, then return that card to the battlefield under its owner's control. If it enters the battlefield as a creature, it enters with a flying counter on it.

As an additional cost to cast this spell, you may sacrifice a creature, sacrifice an artifact, and/or discard a card.
For each additional cost paid to cast this spell, you gain 1 life, draw a card, and create a 1/1 colorless Cyborg artifact creature token.

When Extravagant Patisserie enters the battlefield, create a Food token.
{T}: Add {C}.

Whenever Fencing Master attacks, you may pay {R}. If you do, put a double strike counter on another target attacking creature.
{1}{R}: Target creature you control gets +1/+0 until end of turn.

Enchant creature
Enchanted creature gets +1/+1 and has vigilance and trample.

Whenever you amp it up, put a +1/+1 counter on Ferva Sensation.
Remove two counters from Ferva Sensation: It phases out.

Mill X cards. For each land card milled this way, add {B}{B}. For each creature card milled this way, create a 2/2 black Zombie artifact creature token. For each noncreature, nonland card milled this way, draw a card.

{T}: You may look at two additional cards the next time you scry this turn.
{W}, {T}: Until end of turn, creatures can't attack you or a planeswalker you control unless their controller pays {1} for each of those creatures.

Field Laboratory enters tapped.
{T}: Add {G} or {U}.
{1}, Discard Field Laboratory: Scry 2.

Choose up to two —
• Each creature gets -X/-X until end of turn.
• Each opponent discards X cards.
• You draw X cards and you lose X life.
• Create an X/X black Zombie Horror creature token with menace.

Enchant land
Enchanted land has “{T}: Add one mana of any color.”

Choose one or both —
• Target Kraken, Leviathan, Octopus, or Serpent creature you control gets +2/+1 until end of turn.
• Target creature you control fights target creature you don't control.