: Put a charge counter on Grindclock.

: Target player mills X cards, where X is the number of charge counters on Grindclock.

, : Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

: Add or .

, , Sacrifice Gruul Cluestone: Draw a card.

: Add or .

, , Sacrifice Gruul Locket: Draw two cards.

Creatures you control have trample.

: Gruul War Plow becomes a 4/4 Juggernaut artifact creature until end of turn.

Guardian Idol enters the battlefield tapped.

: Add .

: Guardian Idol becomes a 2/2 Golem artifact creature until end of turn.

When Guardians of Koilos enters the battlefield, you may return another target historic permanent you control to its owner's hand. (Artifacts, legendaries, and Sagas are historic.)

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, 4, 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 — 2, 4, 5, 6

Whenever you crank Guest List, target creature gets -X/-X until end of turn, where X is the number of creature cards in its controller's graveyard.

Whenever you cast a spell that's exactly two colors, look at the top six cards of your library. You may reveal a card that's exactly two colors from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

: Gust-Skimmer gains flying until end of turn.

Visit — Choose target creature you control. Each other creature you control becomes a copy of that creature until end of turn, except it isn't legendary.

Lights — 2, 6

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Whenever Hammer of Nazahn or another Equipment enters the battlefield under your control, you may attach that Equipment to target creature you control.

Equipped creature gets +2/+0 and has indestructible.

Equip

At the beginning of combat on your turn, equipped creature or a creature you control named Vecna gets +X/+X until end of turn, where X is the number of cards in your hand.

Equip—Pay 1 life for each card in your hand.

Equip

Hangarback Walker enters the battlefield with X +1/+1 counters on it.

When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker.

, : Put a +1/+1 counter on Hangarback Walker.

Whenever you crank Hard Hat Area, roll two six-sided dice. Hard Hat Area assembles a number of Contraptions equal to the difference between those results. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Equipped creature has vigilance, trample, and haste.

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

Visit — Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of your next end step.

Lights — 3, 6

Equipped creature gets +4/+4.

: Until end of turn, Haunted Plate Mail becomes a 4/4 Spirit artifact creature that's no longer an Equipment. Activate only if you control no creatures.

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

Red creature spells you cast cost less to cast.

Whenever you cast a creature spell, you may discard a card. If you do, draw a card.

Equipped creature gets +0/+2 and has ": Prevent the next 1 damage that would be dealt to any target this turn."

: Attach Healer's Headdress to target creature you control.

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

Flying, vigilance

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.)

You may remove a loyalty counter from a planeswalker you control rather than pay Heart of Kiran's crew cost.

Whenever equipped creature attacks, Heart-Piercer Bow deals 1 damage to target creature defending player controls.

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

Activated abilities of creatures cost less to activate. This effect can't reduce the mana in that cost to less than one mana.

Equipped creature doesn't untap during its controller's untap step.

Equipped creature has ": This creature deals 2 damage to any target."

Equip

Menace

At the beginning of your upkeep, tap Heavyweight Demolisher unless you pay .

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Equipped creature gets +1/+1.

Whenever equipped creature becomes blocked by one or more colorless creatures, it gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

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

Equipped creature gets +X/+X, where X is its mana value.

Equip

Landfall — Whenever a land enters the battlefield under your control, Hedron Scrabbler gets +1/+1 until end of turn.

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

, Sacrifice Heliophial: It deals damage equal to the number of charge counters on it to any target.

, : Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

, : Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.

Equipped creature gets +1/+1 for each enchantment you control.

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

, : Exile target creature you control.

, : Exile target creature you don't control.

When Helvault is put into a graveyard from the battlefield, return all cards exiled with it to the battlefield under their owners' control.

Whenever a player casts a red spell, you may pay . If you do, untap target permanent.

Adamant — If at least three mana of the same color was spent to cast this spell, Henge Walker enters the battlefield with a +1/+1 counter on it.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Each legendary creature you control gets +1/+1 for each other legendary creature you control.

, : Look at the top X cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Equipped creature gets +2/+1.

As long as equipped creature is legendary, it has trample and haste.

Equip

: Remove up to X counters from target permanent. For each counter removed this way, Hex Parasite gets +1/+0 until end of turn. ( can be paid with either or 2 life.)

Flash

Flying

When High-Speed Hoverbike enters the battlefield, tap up to one target creature.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Creatures you control are Slivers in addition to their other creature types.

Hollow Warrior can't attack or block unless you tap an untapped creature you control not declared as an attacking or blocking creature this combat. (This cost is paid as attackers or blockers are declared.)

: Add one mana of any color.

, : Exile target card from a graveyard.

: Target green creature gets +1/+1 until end of turn.

: Hopping Automaton gets -1/-1 and gains flying until end of turn.

If you would lose unspent mana, that mana becomes colorless instead.