Haste
{T}, Discard a card: Put a +1/+1 counter on another target creature you control and untap it. It gains haste until end of turn. Activate only as a sorcery.

Callaphe can't be blocked by creatures with mana value 3 or greater.
Whenever Callaphe the Mariner deals combat damage to a player, you get an experience counter. Then if you have three or more experience counters, bless target player.

Flying
Whenever Capital Skyraiders deals combat damage to a player, integrate the top card of that player's library.
Capital Skyraiders gets +3/+3 as long as four or more cards are integrated onto it.

{2}{R/W}: This creature gets +2/+0 until end of turn.
When this creature dies, create a 1/1 white Citizen creature token.

Draw a card if you discarded a card this turn.
You gain 3 life if you've lost life this turn.
Create a 1/1 white Golem creature token if a creature you controlled left the battlefield this turn.

{T}: Target player exiles a card from their graveyard.
{2}, {T}: Exile target card from a graveyard. Then if there are three or more cards exiled with Censor Tablet, exile it. If you do, draw two cards.

Flying
When Charming Siren dies, if it wasn't blocking, you may bless target creature.

Whenever Claes, Shield of Karda attacks, another target attacking creature you control gains indestructible until end of turn.
Whenever a planeswalker you control enters, you may exile Claes, then return him to the battlefield transformed with a number of loyalty counters on him equal to the starting loyalty of that planeswalker.

{1}, Sacrifice Claw Fossil: Target creature has base toughness 1 until end of turn. Activate only as a sorcery.
Surface {2}{B}. Claw Fossil surfaces transformed.

Choose one —
• Exile target enchantment.
• You gain 4 life.
• Acclimate.

Flying
{1}, {T}: Surveil 1. This ability costs {1} less to activate if you control a blue permanent.

Choose one —
• Return target creature card from a graveyard to its owner's hand.
• Exile target creature card in a graveyard, then draw a card.

Flying
Whenever Cybat becomes tapped, you gain 1 life.

Flying
Whenever a creature you control attacks alone, if a creature you control that isn't attacking has flying, the attacking creature gains flying until end of turn. The same is true for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, protection, and trample.

First strike
Whenever Dated Mechanoid becomes tapped, another target creature you control gets +1/+1 until end of turn.

Deepcavern Scyllia enters with X +1/+1 counters on it.
You may cast Deepcavern Scyllia from your graveyard by paying {3}{G} and exiling X other permanent cards from your graveyard rather than paying its mana cost.

Whenever Deeptreader Arcanist attacks, you may draw a card. If you do, discard a card.

When Demographer enters, draw a card, then discard a card. When you discard a nonland card this way, make a pledge.
{2}, {T}: Draw a card, then discard a card. When you discard a nonland card this way, make a pledge.

Counter target creature spell with toughness 2 or less.

Target creature gets -2/-2 until end of turn. Its controller mills two cards.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Dynamo Glyphs enters with six minus X charge counters on it.
Whenever a creature you control attacks, remove a charge counter from Dynamo Glyphs. Then if it has no charge counters on it, sacrifice it. If you do, draw three cards.

Scry 1, then draw a card. If you control a Kraken, Leviathan, Octopus, or Serpent, instead scry 3, then draw a card.

Level up {B/G}
[level 1-3] {T}: Return to your hand target card from your graveyard that was put there from your library this turn.
[level 4+] {T}: Return to your hand all cards from your graveyard that were put there from your library this turn.

Haste
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.