Whenever you cast an Artificer or artifact spell, you get (an energy counter).

At the beginning of combat on your turn, you may pay . When you do, create a token that's a copy of target permanent you control, except it's a 5/5 artifact creature in addition to its other types and has haste. Sacrifice it at the beginning of the next end step.

Whenever Tuya Bearclaw attacks, it gets +X/+X until end of turn, where X is the greatest power among other creatures you control.

Whenever one or more other creatures you control with base power and toughness 1/1 enter, put a +1/+1 counter on Bess.

Whenever Bess attacks, each other creature you control with base power and toughness 1/1 gets +X/+X until end of turn, where X is the number of +1/+1 counters on Bess.

Firebending X, where X is the number of creatures you control. (Whenever this creature attacks, add X . This mana lasts until end of combat.)

: Create a 1/1 white Ally creature token.

When this creature enters, earthbend 1, then earthbend 1. (To earthbend 1, target land you control becomes a 0/0 creature with haste that's still a land. Put a +1/+1 counter on it. When it dies or is exiled, return it to the battlefield tapped.)

Whenever this creature attacks, each opponent loses X life and you gain X life, where X is the number of creatures you control with +1/+1 counters on them.

Vigilance

Other Soldiers you control have vigilance, trample, and haste.

: Until end of turn, Soldiers you control gain "Whenever this creature attacks, it deals 1 damage to defending player."

Once during each of your turns, you may cast an artifact spell from your graveyard. If you cast a spell this way, that artifact enters tapped.

Tools — Whenever Edgar attacks, it gets +X/+0 until end of turn, where X is the greatest mana value among artifacts you control.

Deathtouch

Whenever you attack, target creature gets +X/+X until end of turn, where X is the number of attacking creatures.

Vigilance, trample

Whenever Tori D'Avenant attacks, all other attacking creatures you control get +1/+1 until end of turn. Other red attacking creatures you control gain trample until end of turn. Untap each other white attacking creature you control.

Whenever you cast a multicolored spell, this creature gets +3/+3 until end of turn.

When Jirina Kudro enters, create a 1/1 white Human Soldier creature token for each time you've cast a commander from the command zone this game.

Other Humans you control get +2/+0.

Aura and Equipment spells you cast cost less to cast, where X is this creature's power.

Whenever this creature attacks, other modified creatures you control get +X/+X until end of turn, where X is this creature's power. (Equipment, Auras you control, and counters are modifications.)

When this creature enters, create two 1/1 white Human Soldier creature tokens.

At the beginning of your end step, if another Human died under your control this turn, create a Food token.

Other creatures you control get +1/+1.

: Put a +1/+1 counter on King Darien and create a 1/1 white Soldier creature token.

Sacrifice King Darien: Creature tokens you control gain hexproof and indestructible until end of turn.

Whenever you attack, spells you cast from exile this turn cost less to cast, where X is the number of players being attacked. Exile the top X cards of your library. Until end of turn, you may cast spells from among those exiled cards.

Old Man Willow's power and toughness are each equal to the number of lands you control.

Whenever Old Man Willow attacks, you may sacrifice another creature or a token. When you do, target creature an opponent controls gets -2/-2 until end of turn.

Flying, lifelink

Whenever this creature attacks while saddled, it gets +X/+X until end of turn, where X is the number of Mounts you control.

Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Trample

Whenever this creature attacks, another target creature you control gains trample and gets +X/+X until end of turn, where X is this creature's power.