Relic Golem can't attack or block unless an opponent has eight or more cards in their graveyard.

, : Target player mills two cards. (They put the top two cards of their library into their graveyard.)

: Target player exiles a card from their graveyard.

, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

, , Sacrifice a creature: Draw a card.

As long as you control a Cleric, Relic Vial has "Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life."

Renegade Map enters the battlefield tapped.

, Sacrifice Renegade Map: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Flash

Flying

Whenever an artifact creature you control deals combat damage to a player, draw a card.

Equipped creature has lifelink.

Whenever equipped creature dies, return that card to the battlefield under its owner's control at the beginning of the next end step.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

: Untap Retrofitter Foundry.

, : Create a 1/1 colorless Servo artifact creature token.

, , Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice a Thopter: Create a 4/4 colorless Construct artifact creature token.

Whenever Rex, Cyber-Hound deals combat damage to a player, they mill two cards and you get (two energy counters).

Pay : Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.

Rex has all activated abilities of all cards in exile with brain counters on them.

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

When Ribskiff enters the battlefield, draw a card.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

, : Tap target artifact, creature, or land.

Equipped creature has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's green.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

, : Discard a card at random, then draw two cards.

Equipped creature has vigilance. (Attacking doesn't cause it to tap.)

At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's white.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

: Regenerate equipped creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's black.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+2.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

, : Shuffle target nontoken permanent you control into its owner's library.

Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves.

At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost.

Flying, trample

When RMS Titanic deals combat damage to a player, sacrifice it and create that many Treasure tokens.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Equipped creature gets +0/+3.

Astral Projection — : Equipped creature phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

Equip

At the beginning of each end step, if an artifact entered the battlefield under your control this turn,

Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

When Robo-Piñata dies, choose one —

• You get .

• You may put a sticker on a nonland permanent you own.

: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate only if you've controlled Rocket Launcher continuously since the beginning of your most recent turn.

, : Rod of Ruin deals 1 damage to any target.

Whenever equipped creature deals combat damage to a player, you may draw a card.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Visit — Creatures you control get +2/+0 until end of turn.

Lights — 3, 6

Visit — Creatures you control get +2/+0 until end of turn.

Lights — 5, 6

, Sacrifice Rootwire Amalgam: Create an X/X colorless Golem artifact creature token, where X is three times Rootwire Amalgam's power. It gains haste until end of turn. Activate only as a sorcery.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/3

First strike

Raid — At end of combat on your turn, if you attacked this turn, create a Junk token for each opponent you attacked. (It's an artifact with ", Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Whenever you sacrifice a Junk, add .

Rotating Fireplace enters the battlefield tapped with a time counter on it.

: Add an amount of equal to the number of time counters on Rotating Fireplace.

, : Time travel. Activate only as a sorcery. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)

Defender

: Roving Keep gets +2/+0 and gains trample until end of turn. It can attack this turn as though it didn't have defender.

Red spells you cast cost less to cast.

Menace

When Ruin Grinder dies, each player may discard their hand and draw seven cards.

Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Flash

When Runaway Boulder enters the battlefield, it deals 6 damage to target creature an opponent controls.

Cycling (, Discard this card: Draw a card.)

Trample

Runaway Trash-Bot gets +1/+0 for each artifact and/or enchantment card in your graveyard.

Runed Arch enters the battlefield tapped.

, , Sacrifice Runed Arch: X target creatures with power 2 or less can't be blocked this turn.

When Runed Servitor dies, each player draws a card.

, : Target attacking creature gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, sacrifice Runesword. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature dealt damage by the targeted creature would die this turn, exile that creature instead.

Reach, trample

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

3/5

Metalcraft — Rusted Relic is a 5/5 Golem artifact creature as long as you control three or more artifacts.

Sacrifice an artifact: Regenerate Rusted Slasher.

When Rustspore Ram enters the battlefield, destroy target Equipment.

: Saberclaw Golem gains first strike until end of turn.

Equipped creature gets +3/+3 and can't be blocked by creatures with power 3 or less.

Equip

Flying

When Saheeli's Silverwing enters the battlefield, look at the top card of target opponent's library.

Channel — , Discard Saiba Trespassers: Tap up to two target creatures you don't control. Those creatures don't untap during their controller's next untap step.

You may sacrifice three artifacts rather than pay this spell's mana cost.

Exile three artifact cards from your graveyard: Return Salvage Titan from your graveyard to your hand.

Sacrifice Salvager of Ruin: Choose target permanent card in your graveyard that was put there from the battlefield this turn. Return it to your hand.

As Sanctuary Blade becomes attached to a creature, choose a color.

Equipped creature gets +2/+0 and has protection from the last chosen color.

Equip

Defender

, : Tap target creature. You may put a stun counter on it. If you do, put a stun counter on Sanctuary Wall. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Defender

Plainscycling , islandcycling (, Discard this card: Search your library for a Plains or Island card, reveal it, put it into your hand, then shuffle.)