Add {R} for each creature you control.

Add {R}{R}{R}. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

Add {R}{R}{R}.

Add {R}{R}, then add {R} for each card named Rite of Flame in each graveyard.

{T}: Add {C}{C}.

This creature gets +1/+0 for each artifact you control. Magecraft — Whenever you cast or copy an instant or sorcery spell, create a Treasure token.

Draw three cards, then put two cards from your hand on top of your library in any order.

As an additional cost to cast this spell, discard two cards. Draw three cards.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Creatures you control gain trample until end of turn. (Each of those creature can deal excess combat damage to the player or planeswalker it's attacking.) Draw a card.

Target creature gains haste until end of turn. Draw a card.

Look at the top three cards of your library. Put one of them into your hand, put one of them on the bottom of your library, and exile one of them. You may play the exiled card this turn.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Draw two cards, then discard two cards. Untap up to three lands.

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Put a +1/+1 counter on target creature you control. It gains vigilance until end of turn. Flashback {W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Draw a card. Scry 2.

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Target player mills two cards. Draw a card.

Creatures you control gain first strike until end of turn. Draw a card.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

If you control a commander, you may cast this spell without paying its mana cost. Creatures you control gain indestructible until end of turn.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Flying Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 and gain trample until end of turn.

Creatures you control gain haste until end of turn. (They can attack and {T} even if they just came under your control.)

Whenever a creature you control enters this turn, put a +1/+1 counter on it and it gains haste until end of turn. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Creature tokens you control get +1/+1 and have vigilance.

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures. Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.

Magecraft — Whenever you cast or copy an instant or sorcery spell, creatures you control get +1/+1 until end of turn.

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

{T}: Add one mana of any color in your commander's color identity.

If you control two or more other lands, this land enters tapped. {T}: Add {R}. {3}{R}: Until end of turn, this land becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {U}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {U}.)

({T}: Add {R}.)

This land enters tapped. {T}: Add {U}, {R}, or {W}.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell. {T}: Add one mana of any color among legendary permanents you control. {3}, {T}, Exile this land: Target legendary creature gains hexproof and indestructible until end of turn.

({T}: Add {U}, {R}, or {W}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

{T}: Add {C}. {T}: Add {U} or {R}. This land deals 1 damage to you.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {W}.

({T}: Add {U} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {R}.

This land enters tapped unless you control two or more other lands. {T}: Add {R} or {W}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {W} or {U}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {R}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {R} or {W}.

Strive — This spell costs {1}{W} more to cast for each target beyond the first. Choose any number of target opponents. Create X 1/1 white Human Soldier creature tokens, where X is the number of creatures those opponents control.

Target creature you control gains myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) Overload {3}{U}{U}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Whenever you cast an instant or sorcery spell from your hand, manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Whenever a face-down creature you control dies, exile it if it's an instant or sorcery card. You may cast that card until the end of your next turn.

Create two 1/1 red Goblin creature tokens.

Create two 1/1 blue Fish creature tokens with "This token can't be blocked." Then for each kind of counter among creatures you control, put a counter of that kind on either of those tokens.

Create a 1/1 red Dinosaur creature token with haste and a 1/1 white Human Soldier creature token.

Create two 1/1 white Human creature tokens. Fateful hour — If you have 5 or less life, create five of those tokens instead.

Create a number of 1/1 red Goblin creature tokens equal to two plus the number of cards named Goblin Gathering in your graveyard.

Create two 1/1 red Goblin Wizard creature tokens with prowess. (Whenever you cast a noncreature spell, they get +1/+1 until end of turn.)

Create a 0/3 blue Crab creature token. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Create three 1/1 red Goblin creature tokens.

Create two 1/1 red Goblin creature tokens.

Whenever Krenko attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.

Flying Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying. Sacrifice a Spirit: Add {R}.

Create two 1/1 white Spirit creature tokens with flying.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess.

Create two 1/1 white Soldier creature tokens.

Create two 1/1 blue and red Elemental creature tokens.

Create two 1/1 white Human Soldier creature tokens. Humans you control gain haste until end of turn.

Create X 1/1 white Warrior creature tokens.

Create two 1/1 colorless Servo artifact creature tokens.

Create X 1/1 black Rat creature tokens with "This token can't block." Creatures you control gain haste until end of turn.

Create three 1/1 colorless Servo artifact creature tokens. You may cast a spell with mana value 3 or less from your hand without paying its mana cost.

Whenever you cast a noncreature spell, create a 1/1 colorless Soldier artifact creature token.

Choose one — • Charge Them — Creatures you control get +2/+0 until end of turn. • Befriend Them — Create two 1/1 red Goblin creature tokens.