Keyword: Kicker

Kicker (You may pay an additional as you cast this spell.)
When Taunting Arbormage enters the battlefield, if it was kicked, all creatures able to block target creature this turn do so.

Kicker
Trample, haste
If Shatterskull Charger was kicked, it enters the battlefield with a +1/+1 counter on it.
At the beginning of your end step, if Shatterskull Charger doesn’t have a +1/+1 counter on it, return it to its owner’s hand.

Kicker
Choose one. If this spell was kicked, choose any number instead.
• Put two +1/+1 counters on target creature.
• Target player gains X life, where X is the greatest power among creatures they control.
• Target creature you control fights target creature you don’t control.

Tajuru Paragon is also a Cleric, Rogue, Warrior, and Wizard.
Kicker
When Tajuru Paragon enters the battlefield, if it was kicked, reveal the top six cards of your library. You may put a card that shares a creature type with it from among them into your hand. Put the rest on the bottom of your library in a random order.

Kicker (You may pay an additional as you cast this spell.)
Cinderclasm deals 1 damage to each creature. If it was kicked, it deals 2 damage to each creature instead.

Kicker
Menace, lifelink
When Nullpriest of Oblivion enters the battlefield, if it was kicked, return target creature card from your graveyard to the battlefield.

Kicker (You may pay an additional as you cast this spell.)
Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library. If this spell was kicked, search your library for two basic land cards instead of one.

Kicker (You may pay an additional as you cast this spell.)
Roil Eruption deals 3 damage to any target. If this spell was kicked, it deals 5 damage instead.

Kicker (You may pay an additional as you cast this spell.)
When Murasa Sproutling enters the battlefield, if it was kicked, return target card with a kicker ability from your graveyard to your hand.

Kicker
Indestructible
When Skyclave Relic enters the battlefield, if it was kicked, create two tapped tokens that are copies of Skyclave Relic.
: Add one mana of any color.

Tajuru Paragon is also a Cleric, Rogue, Warrior, and Wizard.
Kicker
When Tajuru Paragon enters the battlefield, if it was kicked, reveal the top six cards of your library. You may put a card that shares a creature type with it from among them into your hand. Put the rest on the bottom of your library in a random order.

Kicker
When you cast this spell, if it was kicked, each player loses half their life, rounded up.
Scourge of the Skyclaves’s power and toughness are each equal to 20 minus the highest life total among players.

Kicker
Trample, haste
If Shatterskull Charger was kicked, it enters the battlefield with a +1/+1 counter on it.
At the beginning of your end step, if Shatterskull Charger doesn’t have a +1/+1 counter on it, return it to its owner’s hand.

Kicker
When Jace, Mirror Mage enters the battlefield, if Jace was kicked, create a token that’s a copy of Jace, Mirror Mage except it’s not legendary and its starting loyalty is 1.
+1: Scry 2.
0: Draw a card and reveal it. Remove a number of loyalty counters equal to that card’s converted mana cost from Jace, Mirror Mage.

Kicker
Skyclave Shade can’t block.
If Skyclave Shade was kicked, it enters the battlefield with two +1/+1 counters on it.
Landfall — Whenever a land enters the battlefield under your control, if Skyclave Shade is in your graveyard and it’s your turn, you may cast it from your graveyard this turn.

Kicker (You may pay an additional as you cast this spell.)
Flying
When Kitesail Cleric enters the battlefield, if it was kicked, tap up to two target creatures.

Kicker (You may pay an additional as you cast this spell.)
Enchant creature
When Bubble Snare enters the battlefield, if it was kicked, tap enchanted creature.
Enchanted creature doesn’t untap during its controller’s untap step.

Kicker (You may pay an additional as you cast this spell.)
When Cunning Geysermage enters the battlefield, if it was kicked, return up to one other target creature to its owner’s hand.

Kicker (You may pay an additional as you cast this spell)
If Moss-Pit Skeleton was kicked, it enters the battlefield with three +1/+1 counters on it.
Whenever one or more +1/+1 counters are put on a creature you control, if Moss-Pit Skeleton is in your graveyard, you may put Moss-Pit Skeleton on top of your library.

Kicker
If Myriad Construct was kicked, it enters the battlefield with a +1/+1 counter on it for each nonbasic land your opponents control.
When Myriad Construct becomes the target of a spell, sacrifice it and create a number of 1/1 colorless Construct artifact creature tokens equal to its power.

Kicker (You may pay an additional as you cast this spell.)
Destroy target creature or planeswalker with converted mana cost 2 or less. If this spell was kicked, instead destroy target creature or planeswalker.

Kicker . X can’t be 0. (You may pay an additional as you cast this spell.)
Flying
When Thieving Skydiver enters the battlefield, if it was kicked, gain control of target artifact with converted mana cost X or less. If that artifact is an Equipment, attach it to Thieving Skydiver.

Kicker (You may pay an additional as you cast this spell.)
Creatures you control get +1/+1 until end of turn. If this spell was kicked, those creatures get +2/+1 until end of turn instead.

Kicker
Trample, haste
If Shatterskull Charger was kicked, it enters the battlefield with a +1/+1 counter on it.
At the beginning of your end step, if Shatterskull Charger doesn’t have a +1/+1 counter on it, return it to its owner’s hand.

Kicker (You may pay an additional as you cast this spell.)
If Gnarlid Colony was kicked, it enters the battlefield with two +1/+1 counters on it.
Each creature you control with a +1/+1 counter on it has trample.