As long as it's your turn, Embereth Skyblazer has flying.
Whenever Embereth Skyblazer attacks, you may pay . If you do, creatures you control get +X/+0 until end of turn, where X is the number of opponents you have.
This spell costs less to cast for each artifact you control.
When Emry, Lurker of the Loch enters the battlefield, mill four cards.
: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)
When Enchanted Carriage enters the battlefield, create two 1/1 white Mouse creature tokens.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)
Exile the top five cards of your library. You may play cards exiled this way until the end of your next turn.
You may play an additional land this turn.
, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library. Then if you control four or more lands, untap that land.
Vigilance
Faeburrow Elder gets +1/+1 for each color among permanents you control.
: For each color among permanents you control, add one mana of that color.
Vigilance, trample
When Feasting Troll King enters the battlefield, if you cast it from your hand, create three Food tokens. (They're artifacts with ", , Sacrifice this artifact: You gain 3 life.")
Sacrifice three Foods: Return Feasting Troll King from your graveyard to the battlefield. Activate this ability only during your turn.
Fell the Pheasant deals 5 damage to target creature with flying. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")
Search your library for a basic land card, put it onto the battlefield, then shuffle your library. (Then exile this card. You may cast the creature later from exile.)
First strike, haste
Whenever Fervent Champion attacks, another target attacking Knight you control gets +1/+0 until end of turn.
Equip abilities you activate that target Fervent Champion cost less to activate.