Melee
Other creatures you control have melee. (If a creature has multiple instances of melee, each triggers separately.)

Ward
If one or more tokens would be created under your control, twice that many of those tokens are created instead.

Flying, lifelink, haste

, : Return target creature card from your graveyard to your hand.

(Gain the next level as a sorcery to add its ability.)
Landfall — Whenever a land you control enters, mill two cards.
: Level 2
Whenever a land you control enters, creature cards in your graveyard perpetually get +1/+1.
: Level 3
You may play lands and cast creature spells from your graveyard. If you cast a spell this way, that creature enters with a finality counter on it.

Create a 5/5 green Wurm creature token with trample.

Whenever a creature or planeswalker an opponent controls is dealt excess damage, if a Giant, Wizard, or spell you controlled dealt damage to it this turn, draw a card.

Equipped creature gets +1/+1 and has mentor.
Whenever equipped creature mentors a creature, put a shield counter on that creature.
Equip

As long as you control an artifact, this creature gets +2/+0 and has flying.

Flying
When Aerid Konstrari enters or dies, create a Heartwood token. (It's a red and green artifact with ": Add or .")
: Create a Heartwood token. Then Aerid Konstrari gets +X/+0 until end of turn, where X is the number of artifacts you control.

Lifelink
Raise — At the beginning of your end step, if you gained life this turn, return target creature card from your graveyard to your hand. If you gained 7 or more life this turn, return that card to the battlefield instead.

Flying
: Adapt 1.

You may play an additional land on each of your turns.
Landfall — Whenever a land you control enters, you may draw a card.

Return target permanent to its owner's hand. Return target permanent card from your graveyard to your hand.

Return target creature to its owner's hand. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value.

At the beginning of your upkeep, discard a card at random. If you discard a creature card this way, return it from your graveyard to the battlefield unless any player pays 5 life.

Reveal the top four cards of your library. You may put a creature card from among them onto the battlefield. It gains "At the beginning of your end step, return this creature to its owner's hand." Then put the rest of the cards revealed this way on the bottom of your library in any order.

Put target attacking or blocking creature on top of its owner's library.
Conspire

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
, Put a +1/+1 counter on up to one target creature.
Exile a creature with the greatest power among creatures target opponent controls.

Whenever you sacrifice one or more other creatures, Forge Boss deals 2 damage to each opponent. This ability triggers only once each turn.

Creatures you control gain afterlife 1 until end of turn. Draw a card.

Activated abilities of creatures you control cost less to activate, where X is Agatha's power. This effect can't reduce the mana in that cost to less than one mana.
: Other creatures you control get +1/+1 and gain trample and haste until end of turn.

Trample
Agent Frank Horrigan has indestructible as long as it attacked this turn.
Whenever Agent Frank Horrigan enters or attacks, proliferate twice.

At the beginning of your upkeep, each opponent loses 1 life. You gain life equal to the life lost this way.

This artifact enters with a +1/+1 counter, a flying counter, a deathtouch counter, and a shield counter on it.
Whenever a creature you control enters, you may move a counter from this artifact onto that creature.
, Sacrifice this artifact: Draw a card.

When Glamorous Outlaw enters, it deals 2 damage to each opponent and you gain 2 life.
Scry 2.
, Exile Glamorous Outlaw from your hand: Target land gains ": Add , , or " until Glamorous Outlaw is cast from exile. You may cast Glamorous Outlaw for as long as it remains exiled.

Target creature gets -3/-0 until end of turn.
Target creature gets -0/-3 until end of turn.

Double strike, vigilance
Whenever Agrus Kos enters or attacks, choose up to one target creature. If it's suspected, exile it. Otherwise, suspect it.

Whenever Agrus Kos attacks, attacking red creatures get +2/+0 and attacking white creatures get +0/+2 until end of turn.

Menace
When Harald, King of Skemfar enters, look at the top seven cards of your library. You may reveal an Elf, Warrior, or Tyvar card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.