Flying
Whenever one or more creatures you control deal combat damage to a player, that player mills two cards.

Choose one or both —
• Destroy target artifact.
• Put a +1/+1 counter on target creature you control.

At the beginning of your upkeep, choose one. If you control twelve or more permanents, choose all instead.
• Create a 1/1 green Citizen creature token.
• Create a Treasure token.
• Create a Weapon token.

Choose one or both —
• Return target creature to its owner's hand.
• Return a creature with the greatest power or tied for the greatest power to its owner's hand.

Choose one —
• Draw two cards.
• Put a +1/+1 counter on target creature, scry 1, then draw a card.

Target creature gets +3/+2 until end of turn. Teach it trample.

Return target artifact or creature card from your graveyard to the battlefield.
Flashback—{3}{B}, Sacrifice a creature.

When Reconnaissance Agent enters, you may choose one —
• Exile target card from your graveyard.
• Exile another target creature.
When Reconnaissance Agent leaves the battlefield, return the exiled card to its owner's hand.

Whenever Recurring Visions enters or you cast a spell which had its flashback cost paid, surveil 3.

Mill a card. Put a +1/+1 counter on up to one target creature. Exile up to one target card from a graveyard. You gain 1 life.
Flashback {1}{G}

{T}, Sacrifice Redeveloped Cityscape, Exile a card from your hand: Search your library for two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Reduce to Ore deals 5 damage to target creature. If a Ruin dealt damage this way would die this turn, instead exile it and you create two Treasure tokens.

Counter target spell unless its controller pays {2}. Look at its controller's hand and the top card of their library.

Flying
Equipped creature gets +2/+0.
Equip {2}
Spellcharge 2

{3}{G}{G}, Exile Release the Unchained Melody from your hand: At the beginning of your next upkeep, you may cast Release the Unchained Melody from exile without paying its mana cost. Activate only as a sorcery.
Create three 3/3 green Elemental Spirit creature tokens.

Relentless Busker can't block.
{VP}{VP}{VP}: Return Relentless Busker from your graveyard to the battlefield.

Choose two —
• Target player may scry 3.
• Return target permanent you control to its owner's hand.
• You may tap or untap target creature.

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

When Remnant of Zakros enters, choose one —
• Each player sacrifices a creature.
• Each player sacrifices an enchantment.

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}

Replicated Regiment enters with a +1/+1 counter and a vigilance counter on it.
At the beginning of your upkeep, you may move a counter from Replicated Regiment onto another creature.

Reach
Replicrawler gets +1/+1 for each other artifact creature you control.
If you would create a token, you may pay {B}. If you do, create a token that's a copy of Replicrawler instead.

Target creature you control gets +1/+0 and gains haste until end of turn.
Draw a card.

Drop — Reptilian Raver enters with two +1/+1 counters on it if you didn't cast any creature spells during your last turn.

Counter target spell with mana value X. If that spell is targeting you or a creature you control, you may choose new targets for it instead.