Flying
Odunos Smuggler can't block.
When Odunos Smuggler enters, target player mills two cards. Scry 2.

Whenever an enchantment you control enters, each opponent mills two cards.

Whenever Opal-Eye Allseer enters or you cast a noncreature spell, create a 1/1 white Bird creature token with flying.
Wander—{1}{U}, Exile two instant and/or sorcery cards from your graveyard.

When Opal-Eye Caretaker enters, put a +1/+1 counter on each creature you control that entered this turn and wasn't cast from your hand.
Wander {1}{W}

Whenever you spend at least five mana to cast a spell, untap Opal-Eye Runeweaver.
{T}: Untap another target permanent not named Opal-Eye Runeweaver. Activate only as a sorcery.

Creatures you control have menace as long as they are attacking players with eight or more cards in their graveyard.
Whenever you attack, each defending player mills two cards. If a land card was milled this way, put a +1/+1 counter on Orestes.

Outlands Prowler has first strike as long as it's your turn.
Landfall — Whenever a land you control enters, Outlands Prowler gets +2/+2 until end of turn.

At the beginning of your first main phase, you may add one mana of any type.

Lifelink
Whenever you gain life, noncreature spells your opponents cast cost {1} more to cast until your next turn. This ability triggers only once each turn.

When Padpole enters, create a Berry token.
Surface {3}{G}

When Patron of Ephara's Glory enters, create a 0/1 colorless Sculpture artifact creature token.
Whenever a creature you control dies, scry 1, then you gain 1 life.

Flash
When Permafrost Lynx enters, target creature you don't control doesn't untap during its controller's next untap step.

Deathtouch
Whenever Pharika's Harbinger deals combat damage to a player, bless target creature that player controls.

Once each turn, when you cast a black spell with mana value less than your devotion to black, you may draw a card and lose 1 life.

When Photonic Cobra dies, create a 1/1 red and green Elemental creature token.

Deathtouch
Whenever Pidae Raider deals combat damage to a player, create a Treasure token.

Landfall — Whenever a land you control enters, Pitfall Pincher deals 1 damage to any target. If that target is a creature, it blocks this turn if able.

Noncreature spells you cast cost {1} less to cast.

Flying
When Powerline Warbler enters, return target artifact card from your graveyard to your hand.

When Practicing Guru enters, create a Berry token.
Practicing Guru gets +1/+1 as long as you've sacrificed a Berry that was attached to it this turn.
Sacrifice a Berry attached to Practicing Guru: It gains indestructible until end of turn.

Flying
Whenever you cast a spell, choose one of its colors that you haven't chosen this way this turn. Add one mana of that color.

Approval — When Prismatic Propagandist enters, create X 1/1 colorless Soldier creature tokens, where X is the number of colors among permanents you control.

When Prismatic Remnant enters, scry 2.

{VP}{VP}{VP}: Pristine Star gains double strike until end of turn.

Vigilance
Creatures you control with vigilance have “{W}{U}, {T}: Draw a card. Activate this ability only if this creature attacked this turn.”