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.

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.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Flying Murktide Regent enters the battlefield with a +1/+1 counter on it for each instant and sorcery card exiled with it. Whenever an instant or sorcery card leaves your graveyard, put a +1/+1 counter on Murktide Regent.

Whenever Ragavan, Nimble Pilferer deals combat damage to a player, create a Treasure token and exile the top card of that player's library. Until end of turn, you may cast that card. Dash {1}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

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

Counter target spell.

Lightning Bolt deals 3 damage to any target.

Counter target noncreature spell unless its controller pays {2}.

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

{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 {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 Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

({T}: Add {U}.)

Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {U} or {R}.

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.

Nonbasic lands are Mountains.

Choose one — • Cast into the Fire deals 1 damage to each of up to two target creatures. • Exile target artifact.

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives.

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.

As Pithing Needle enters the battlefield, choose a card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Counter target creature spell with power or toughness 2 or less.

If a creature an opponent controls would die, exile it instead. {2}, {T}, Sacrifice Stone of Erech: Exile target player's graveyard. Draw a card.

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.

{T}, Pay 1 life: Add {U} or {R}. {1}, {T}, Sacrifice Fiery Islet: 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 three cards. Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

{T}: Add {C}. {T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.