Drop — When Rave Mastermind enters, target player discards a card. If you didn't cast any creature spells during your last turn, that player discards two cards instead. Put each land card discarded this way onto the battlefield tapped under your control.

When Reaching Remnant enters, it deals 4 damage to target creature with flying you don't control.
Spellcharge 3

{T}: Add one mana of any type.
{T}, Sacrifice two permanents named Reactor Sphere: Draw three cards.

Choose one —
• Draw three cards.
• Return up to two target creatures to their owners' hands.

Draw three cards, then discard a card.
If it's not an extra turn and you've amped it up twice this turn, take an extra turn after this one.
Exile Real Virtuality.

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

Whenever Reaper of Fields attacks, bless target land.

Menace
When Reaper of the Deep enters, mill two cards. You may repeat this process until there are seven or more cards in your graveyard.
Surface {5}{B}{B}

Whenever Reborn Apostle attacks, each player loses 1 life.

Ward—Discard a card.
Whenever Reborn Fisher attacks, choose a nonland card name, then defending player reveals their hand and discards a card with that name if able.

Lifelink
When this creature transforms into Reborn Follower, put a +1/+1 counter on target creature.

Whenever this creatures transforms into Reborn Herald or another permanent you control transforms, create a 1/1 colorless Cyborg artifact creature token.
Reborn Herald gets +1/+1 for each other artifact you control.

Whenever Reborn Lily attacks, surveil 3. You may put a land card you surveilled this way from your graveyard onto the battlefield tapped.

Vigilance
Whenever Reborn Reef attacks, target card in your graveyard gains surface until end of turn. The surface cost is equal to its mana cost.

Whenever Reborn Scuttler attacks, up to one target creature has base toughness 1 until end of turn.

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.