MTG Jeskai Midrange Deck by fried-rice

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Emry enters, mill four cards. {T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

Whenever you cast an artifact spell, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with flying." Warp {U/R} (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Ward {4} Whenever this creature or another artifact you control enters, put a +1/+1 counter on this creature and it can't be blocked this turn.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When this creature enters, draw two cards.

{T}, Sacrifice this artifact: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

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

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

{T}, Sacrifice this artifact: Exile target player's graveyard.

When this artifact enters, exile target nonland permanent an opponent controls with mana value 2 or less until this artifact leaves the battlefield.

Equipped creature gets +1/+0 and has haste and ward {1}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) Equip {1}

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

Equipped creature gets +1/+1 and has trample and lifelink. {1}: Permanents your opponents control lose hexproof and indestructible until end of turn. Equip {2}

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Counter target spell unless its controller pays {3}.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Draw two cards.

({T}: Add {U}.)

At the beginning of the end step, if you control no artifacts, sacrifice this land. {T}: Add one mana of any color.

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

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

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

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — This Saga gains "{T}: Add {C}." II — This Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This token 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.