Whenever a nontoken creature enters the battlefield under your control, if it wasn't cast from your hand, put a +1/+1 counter on that creature.
Wander {2}{W}

Whenever you cast a spell that targets Rathomar Harrier, choose one. If Rathomar Harrier is attacking, choose both instead.
• Tap target creature you don't control.
• Create a 2/2 green Wolf creature token.

Other creatures you control get +1/+1 and have vigilance.
Spellcharge 5

When Renowned Roughrider enters or leaves the battlefield, create a 1/1 white Human creature token. Then if you control four or more creatures, put a +1/+1 counter on a creature you control.
Wander {4}{W}{W}

Choose one —
• Exile target artifact or enchantment.
• Exile target creature you control, then return it to the battlefield under its owner's control. If that creature entering the battlefield causes any abilities to trigger, those abilities trigger an additional time.

Target creature you control gets +2/+2 and gains indestructible until end of turn. If it was the target of another spell or ability this turn, create two 1/1 white Bird creature tokens with flying.

Flying
Creatures you control with base power 1 or less get +1/+0.

Flash
When Seal Away enters the battlefield, exile target tapped creature an opponent controls until Seal Away leaves the battlefield.

Equipped creature gets +1/+3 and has vigilance.
Equip {5}. This ability costs {2} less to activate if you have at least 3 life more than your starting life total.

Destroy target attacking or blocking creature with power 3 or greater.

This spell has flash as long as you have at least 3 life more than your starting life total.
Flying

When Taiga Bonder enters the battlefield, put a +1/+1 counter on target creature.
Wander {3}{W}{W}

Equipped creature gets +2/+0 and has protection from permanents and spells with greater mana value than itself. This effect doesn't remove Titansbane.
Equip {2}{W}

When Ursine Advocate enters the battlefield, create a 2/2 green Bear creature token.

Valley Caravan's power and toughness are each equal to the number of creatures you control.
Wander {3}{W}{W}
When Valley Caravan enters the battlefield, if it wandered, create a 1/1 white Human creature token.

Equipped creature gets +2/+2.
Equip {2}
Spellcharge 4

You gain 4 life. If this spell's flashback cost was paid, draw a card.
Flashback {3}{W}

At the beginning of your end step, you gain 1 life.
Whitecliff Guardian gets +0/+1 for each 1 life you have above your starting life total.

Create X 1/1 white Insect creature tokens with flying.
Flashback—{3}{W}{W}, Tap X untapped creatures you control.

When Askir's Rearguard enters the battlefield, if a creature you control dealt combat damage to a player this turn, draw a card.
Wander {1}{U}

Flash
At the beginning of your end step, if you've cast no spells this turn, you may draw a card, then discard a card.

Flying
When Breaching Jaxl enters the battlefield, untap target nonland permanent.
Wander {2}{U}

This spell costs {4} more to cast if it's your turn.
Return target nonland permanent to its owner's hand. If it's your turn, return up to two target nonland permanents to their owners' hands instead.

Choose one. If this spell's flashback cost was paid, instead choose three and you may choose the same mode more than once.
• Draw two cards.
• Create a token that's a copy of target artifact or creature you control.
• Target player mills seven cards.
Flashback {6}{U}{U}

Flash
When Conduit of Change enters the battlefield, if you cast it, return all other nonland permanents to their owner's hands.
Spellcharge 7