Whenever a creature you control with power 1 or less attacks, Cavalcade of Calamity deals 1 damage to the player or planeswalker that creature is attacking.

Forked Bolt deals 2 damage divided as you choose among one or two targets.

Haste Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it's attacking.

Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.

Lava Dart deals 1 damage to any target. Flashback—Sacrifice a Mountain. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

This spell can't be countered. Lithomantic Barrage deals 1 damage to target creature or planeswalker. It deals 5 damage instead if that target is white and/or blue.

Whenever Scorch Spitter attacks, it deals 1 damage to the player or planeswalker it's attacking.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost. Counter target spell unless its controller pays {1}.

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

Counter target spell unless its controller pays {1}.

({U/P} can be paid with either {U} or 2 life.) Counter target spell with mana value 1.

Haste Whenever Bomat Courier attacks, exile the top card of your library face down. (You can't look at it.) {R}, Discard your hand, Sacrifice Bomat Courier: Put all cards exiled with Bomat Courier into their owners' hands.

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

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Delirium — As long as there are four or more card types among cards in your graveyard, Dragon's Rage Channeler gets +2/+2, has flying, and attacks each combat if able.

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.

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

Flying Whenever a player casts their second spell each turn, Ledger Shredder connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Draw X cards, then discard X cards. Create a 1/1 white Spirit creature token with flying for each card type among cards discarded this way.

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

Flying When Faerie Seer enters the battlefield, scry 2.

Haste {1}: Gingerbrute can't be blocked this turn except by creatures with haste. {2}, {T}, Sacrifice Gingerbrute: You gain 3 life.

Flying, haste Phoenix Chick can't block. Whenever you attack with three or more creatures, you may pay {R}{R}. If you do, return Phoenix Chick from your graveyard to the battlefield tapped and attacking with a +1/+1 counter on it.

Flying {7}{U}: Adapt 4. This ability costs {1} less to activate for each instant and sorcery card in your graveyard. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

Slither Blade can't be blocked.

Creatures you control with power or toughness 1 or less can't be blocked.

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

{T}: Add {C}. {1}: Blinkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land. {1}, {T}: Target Blinkmoth creature gets +1/+1 until end of turn.

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

{T}: Add {C}. {U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

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

If you control two or more other lands, Den of the Bugbear enters the battlefield tapped. {T}: Add {R}. {3}{R}: Until end of turn, Den of the Bugbear 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.

{T}, Pay 1 life: Add {U} or {R}. {1}, {T}, Sacrifice Fiery Islet: Draw a card.

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

({T}: Add {U}.)

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

({T}: Add {R}.)

({T}: Add {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {U}. Channel — {3}{U}, Discard Otawara, Soaring City: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

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

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

{T}: Add one mana of any type that a land you control could produce.

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

{T}: Add {R}. {R}, {T}: Target legendary creature gains first strike until end of turn.

{T}: Add {C}. {2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

{T}: Add {R}. Channel — {3}{R}, Discard Sokenzan, Crucible of Defiance: Create two 1/1 colorless Spirit creature tokens. They gain haste until end of turn. This ability costs {1} less to activate for each legendary creature you control.

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

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

When Sunscorched Desert enters the battlefield, it deals 1 damage to target player or planeswalker. {T}: Add {C}.

({T}: Add {U} or {R}.) Thundering Falls enters the battlefield tapped. When Thundering Falls enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Urza's Saga gains "{T}: Add {C}." II — Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'" III — Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

({T}: Add {U} or {R}.)

Trample Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

You may cast up to one target instant card and/or up to one target sorcery card from your graveyard each with mana value X or less without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead. If X is 10 or more, copy each of those spells twice. You may choose new targets for the copies.

Equipped creature has deathtouch and lifelink. Equip {2}

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Sacrifice Cursecatcher: Counter target instant or sorcery spell unless its controller pays {1}.

End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.

Flame Jab deals 1 damage to any target. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Flame Slash deals 4 damage to target creature.

Double strike When Fury enters the battlefield, it deals 4 damage divided as you choose among any number of target creatures and/or planeswalkers. Evoke—Exile a red card from your hand.

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

({R/P} can be paid with either {R} or 2 life.) Gut Shot deals 1 damage to any target.

Lightning Bolt deals 3 damage to any target.

Flying Whenever another Spirit enters the battlefield under your control, Mausoleum Wanderer gets +1/+1 until end of turn. Sacrifice Mausoleum Wanderer: Counter target instant or sorcery spell unless its controller pays {X}, where X is Mausoleum Wanderer's power.

You may exile a red card from your hand rather than pay this spell's mana cost. Pyrokinesis deals 4 damage divided as you choose among any number of target creatures.

0: Put a loyalty counter on each red planeswalker you control. 0: Create two 1/1 red Elemental creature tokens. They gain haste. Sacrifice them at the beginning of the next end step. −2: You may cast target instant or sorcery card with mana value 3 or less from your graveyard. If that spell would be put into your graveyard, exile it instead.

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

First strike, menace Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters the battlefield tapped and attacking. Exile that token at end of combat.

Haste Lieutenant — At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.

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

Haste Whenever Squee, Dubious Monarch attacks, create a 1/1 red Goblin creature token that's tapped and attacking. You may cast Squee, Dubious Monarch from your graveyard by paying {3}{R} and exiling four other cards from your graveyard rather than paying its mana cost.

Tempting offer — Create X 1/1 red Elemental creature tokens with haste. Each opponent may create X 1/1 red Elemental creature tokens with haste. For each opponent who does, create X 1/1 red Elemental creature tokens with haste.