When Goblin Trapfinder dies, seek a creature card with mana value 3 or less. That card perpetually gains haste, "This spell costs less to cast," and "At the beginning of your end step, sacrifice this creature."

, Sacrifice a land: Create two 1/1 red and white Goblin Soldier creature tokens.

Haste

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.)

: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

Menace

When God-Eternal Bontu enters the battlefield, sacrifice any number of other permanents, then draw that many cards.

When God-Eternal Bontu dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

When Golden Egg enters the battlefield, draw a card.

, , Sacrifice Golden Egg: Add one mana of any color.

, , Sacrifice Golden Egg: You gain 3 life.

First strike

Menace (This creature can't be blocked except by two or more creatures.)

, Sacrifice Goldhound: Add one mana of any color.

Equipped creature gets +1/+1.

Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

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

, Sacrifice a creature: Return target creature card from your graveyard to your hand.

: Put a +1/+1 counter on target creature.

, Sacrifice a creature: Target player loses 1 life.

When Gollum, Patient Plotter leaves the battlefield, the Ring tempts you.

, Sacrifice a creature: Return Gollum from your graveyard to your hand. Activate only as a sorcery.

Whenever you lose life for the first time each turn, you get . (You get an energy counter. Damage causes loss of life.)

Pay , Sacrifice Gonti's Machinations: Each opponent loses 3 life. You gain life equal to the life lost this way.

Sacrifice Gore Vassal: Put a -1/-1 counter on target creature. Then if that creature's toughness is 1 or greater, regenerate it.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)

Flying

When Gossamer Phantasm becomes the target of a spell or ability, sacrifice it.

Reach

, Sacrifice an artifact or land: Draw a card.

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Graf Reaver exploits a creature, destroy target planeswalker.

At the beginning of your upkeep, Graf Reaver deals 1 damage to you.

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent.

Equip

Equipped creature gets +3/+2.

Whenever Grafted Wargear becomes unattached from a permanent, sacrifice that permanent.

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

: Add .

, , Sacrifice Grasping Dunes: Put a -1/-1 counter on target creature. Activate only as a sorcery.

Devoid (This card has no color.)

Target opponent exiles a card from their graveyard. You create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

Draw a card.

Return target creature card from your graveyard to your hand. Target player sacrifices a creature.

When a nonblack creature enters the battlefield, sacrifice Grave Peril. If you do, destroy that creature.

Flying

When Gravelighter enters the battlefield, draw a card if a creature died this turn. Otherwise, each player sacrifices a creature.

, Sacrifice Grave-Shell Scarab: Draw a card.

Dredge 1 (If you would draw a card, you may mill a card instead. If you do, return this card from your graveyard to your hand.)

, Sacrifice Grazing Kelpie: Put target card from a graveyard on the bottom of its owner's library.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Suspend 10—

Sacrifice an artifact, creature, or land: Remove a time counter from Greater Gargadon. Activate only if Greater Gargadon is suspended.

At the beginning of your upkeep, sacrifice a permanent.

Whenever Greater Harvester deals combat damage to a player, that player sacrifices two permanents.

When Greed's Gambit enters the battlefield, you draw three cards, gain 6 life, and create three 2/1 black Bat creature tokens with flying.

At the beginning of your end step, you discard a card, lose 2 life, and sacrifice a creature.

When Greed's Gambit leaves the battlefield, you discard three cards, lose 6 life, and sacrifice three creatures.

, , Sacrifice Gremlin Mine: It deals 4 damage to target artifact creature.

, , Sacrifice Gremlin Mine: Remove up to four charge counters from target noncreature artifact.

Menace

Greven, Predator Captain gets +X/+0, where X is the amount of life you've lost this turn.

Whenever Greven attacks, you may sacrifice another creature. If you do, you draw cards equal to that creature's power and you lose life equal to that creature's toughness.

Destroy target creature or planeswalker. Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Your opponents can't gain life.

, Sacrifice another creature: Target player loses 1 life. If the sacrificed creature was legendary, amass Orcs 2.

, , Discard a card: Put a study counter on Grimoire of the Dead.

, Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black Zombies in addition to their other colors and types.

, Sacrifice an artifact: Target player mills three cards.

Whenever an artifact enters the battlefield, you may untap Grinding Station.

Destroy target creature or planeswalker. Create two Blood tokens. (They're artifacts with ", , Discard a card, Sacrifice this artifact: Draw a card.")

As long as Grist, the Hunger Tide isn't on the battlefield, it's a 1/1 Insect creature in addition to its other types.

+1: Create a 1/1 black and green Insect creature token, then mill a card. If an Insect card was milled this way, put a loyalty counter on Grist and repeat this process.

−2: You may sacrifice a creature. When you do, destroy target creature or planeswalker.

−5: Each opponent loses life equal to the number of creature cards in your graveyard.

: Add .

, , Sacrifice Grixis Panorama: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Trample, haste

At the beginning of the end step, sacrifice Groundbreaker.

Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add ."

( can be paid with either or .)

, Sacrifice a land: Gruul Guildmage deals 2 damage to target player or planeswalker.

: Target creature gets +2/+2 until end of turn.

When Guardian of Cloverdell enters the battlefield, create three 1/1 white Kithkin Soldier creature tokens.

, Sacrifice a Kithkin: You gain 1 life.

Visit — Look at the bottom card of your library, then give a person outside the game a one-word clue not on that card. They guess a word. If their guess appears in that card's name, claim the prize

Prize — Reveal the card, put it into your hand, then sacrifice Guess Your Fate and open an Attraction.

Lights — 2, 3, 5, 6

Visit — Look at the bottom card of your library, then give a person outside the game a one-word clue not on that card. They guess a word. If their guess appears in that card's name, claim the prize

Prize — Reveal the card, put it into your hand, then sacrifice Guess Your Fate and open an Attraction.

Lights — 3, 4, 5, 6

When Guild Globe enters the battlefield, draw a card.

, , Sacrifice Guild Globe: Add two mana of different colors.

At the beginning of your upkeep, sacrifice Gurzigost unless you put two cards from your graveyard on the bottom of your library.

, Discard a card: You may have Gurzigost assign its combat damage this turn as though it weren't blocked.

Whenever you attack, you may sacrifice another creature or an artifact. If you do, create a 4/1 black Skeleton creature token with menace that's tapped and attacking. (It can't be blocked except by two or more creatures.)

Choose a Background (You can have a Background as a second commander.)

Trample

At the beginning of your end step, create a number of Food tokens equal to the number of nontoken creatures you had enter the battlefield under your control this turn.

, Sacrifice a Food: Target creature gains indestructible until end of turn. Tap it.

At the beginning of your upkeep, sacrifice Haazda Shield Mate unless you pay .

: The next time a source of your choice would deal damage to you this turn, prevent that damage.

Hall enters the battlefield tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")