When Horn of Gondor enters the battlefield, create a 1/1 white Human Soldier creature token.

, : Create X 1/1 white Human Soldier creature tokens, where X is the number of Humans you control.

Whenever a player casts a spell, they may pay . If the player does, they draw a card at the beginning of the next end step.

Whenever two or more creatures you control attack a player, look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flying, haste

Rampage 1 <I>(Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)</I>

Flying, vigilance

Whenever Howling Golem attacks or blocks, each player draws a card.

You may have Hulking Metamorph enter the battlefield as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to Hulking Metamorph's power and toughness.

//PRT-Prototype_Mech//

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

3/3

, : Tap target creature. This ability costs less to activate during your turn.

, Sacrifice Hylda's Crown of Winter: Draw a card for each tapped creature your opponents control.

, : You may exile a nonland card from your hand. You may cast that card for as long as it remains exiled. Put a charge counter on Ice Cauldron and note the type and amount of mana spent to pay this activation cost. Activate only if there are no charge counters on Ice Cauldron.

, Remove a charge counter from Ice Cauldron: Add Ice Cauldron's last noted type and amount of mana. Spend this mana only to cast the last card exiled with Ice Cauldron.

If you would roll one or more planar dice, instead roll that many planar dice plus one and ignore one.

: Add .

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.

As Icon of Ancestry enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

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

: Draw a card. Activate only if you created a token this turn.

, , Sacrifice Idol of Oblivion: Create a 10/10 colorless Eldrazi creature token.

, , Reveal two cards from your hand that share a color: Draw a card.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy.

Equip

: Immolating Souleater gets +1/+0 until end of turn. ( can be paid with either or 2 life.)

, Sacrifice Implement of Examination: Draw a card.

When Implement of Examination is put into a graveyard from the battlefield, draw a card.

, Sacrifice Implement of Improvement: You gain 2 life.

When Implement of Improvement is put into a graveyard from the battlefield, draw a card.

, , Sacrifice Implements of Sacrifice: Add two mana of any one color.

: Add .

, , Sacrifice Infernal Idol: You draw two cards and you lose 2 life.

At the beginning of your upkeep, put a time counter on Infinite Hourglass.

All creatures get +1/+0 for each time counter on Infinite Hourglass.

: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step.

Visit — Draw a card.

Lights — 2, 6

Visit — Draw a card.

Lights — 4, 6

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

, Remove X charge counters from Infused Arrows: Target creature gets -X/-X until end of turn.

When Inherited Envelope enters the battlefield, the Ring tempts you.

: Add one mana of any color.

Inquisition Agents — Whenever equipped creature attacks, create a 2/2 white Astartes Warrior creature token with vigilance that's attacking. Then attacking creatures gain menace until end of turn.

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

: Insatiable Souleater gains trample until end of turn. ( can be paid with either or 2 life.)

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for .)

Whenever you crank Insufferable Syphon, target player discards a card.

Equipped creature gets +1/+2.

Whenever an Artificer enters the battlefield under your control, you may attach Inventor's Goggles to it.

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

Iron Apprentice enters the battlefield with a +1/+1 counter on it.

When Iron Apprentice dies, if it had counters on it, put those counters on target creature you control.

Vigilance

Iron Golem attacks or blocks each combat if able.

Haste

Fabricate 1 (When this creature enters the battlefield, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Whenever Iron Mastiff attacks, roll a d20 for each player being attacked and ignore all but the highest roll.

1–9 | Iron Mastiff deals damage equal to its power to you.

10–19 | Iron Mastiff deals damage equal to its power to defending player.

20 | Iron Mastiff deals damage equal to its power to each opponent.

Whenever a player casts a red spell, you may pay . If you do, you gain 1 life.

Vigilance

Sacrifice Iron-Heart Chimera: Put a +2/+2 counter on target Chimera creature. It gains vigilance. <I>(This effect lasts indefinitely.)</I>

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand.

, : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

At the beginning of your upkeep, if you have seven or more cards in hand, you gain 4 life.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

: Add or .

: Until end of turn, Izzet Keyrune becomes a 2/1 blue and red Elemental artifact creature.

Whenever Izzet Keyrune deals combat damage to a player, you may draw a card. If you do, discard a card.

, : Add .

: Roll a six-sided die. This ability has the indicated effect.

1 — Sacrifice Jack-in-the-Mox and you lose 5 life.

2 — Add .

3 — Add .

4 — Add .

5 — Add .

6 — Add .

Whenever you cast a Spirit or Arcane spell, Jade Idol becomes a 4/4 Spirit artifact creature until end of turn.

: Jade Statue becomes a 3/6 Golem artifact creature until end of combat. Activate only during combat.

Whenever you crank Jamming Device, creatures target player controls get -1/-1 until end of turn.

, : Untap target creature.

Whenever a creature you control dies, put two eyeball counters on Jar of Eyeballs.

, , Remove all eyeball counters from Jar of Eyeballs: Look at the top X cards of your library, where X is the number of eyeball counters removed this way. Put one of them into your hand and the rest on the bottom of your library in any order.

, : Draw a card.

, , Sacrifice Jester's Cap: Search target player's library for three cards and exile them. Then that player shuffles.