Equipped creature gets +1/+0 and has flying.
Equip {2}

Return target creature to its owner's hand. If you controlled it, create a token that's a copy of it. Otherwise, create a 0/0 colorless Robot artifact creature token with a +1/+1 counter on it.

As an additional cost to cast this spell, discard a card.
Draw two cards.
Invoke {4}{R}

When Soldier's Gear enters, draw a card and create a Weapon token.
{3}, Sacrifice Soldier's Gear: Draw a card and create a Weapon token.

Nonland permanent cards in graveyards and libraries can't enter the battlefield.
Players can't cast spells from graveyards or libraries.

Haste
Amity — Whenever you attack with Solid Smog and exactly one other creature, you may pay {R}. If you do, transform Solid Smog.

First strike, vigilance
Nontoken creatures without undercover that weren't cast enter face-down.

Somnogoyf's power and toughness are each equal to the number of different mana values among nonland cards in your graveyard.

Flying
Whenever Soulseeker Arcanist attacks, you may discard a card. When you do, you may cast another target instant or sorcery card in your graveyard. If that spell would be put into a graveyard this turn, exile it instead.

Exile target creature or Subroutine, then return that card to the battlefield under its owner's control.
Cache the top card of your library face down.

When Soulsucker enters, target opponent discards a card.

At the beginning of your end step, if you control three or more untapped lands, up to one target nonland permanent doesn't untap during its controller's next untap step.

Flying
Whenever Source Sentries attacks, you may exile target land you control, then return that card to the battlefield tapped under your control.

{T}: Add {G}.
Whenever another creature you control enters, if it has the greatest power or tied for the greatest power, put a +1/+1 counter on that creature. This ability triggers only once each turn.

Whenever Spear of the Sun-Crowned attacks, if you control two or more enchanted creatures, it gains lifelink until end of turn.

Enchant creature
Enchanted creature gets +2/+2 and has “You may have this creature assign its combat damage as though it weren't blocked.”

Whenever another creature you control enters, you may pay {X}{X}. If you do, put X +1/+1 counters on that creature.
{T}: Add one mana of any color.

Up to one target creature gains deathtouch until end of turn.
Draw a card.

Enchant creature
Whenever enchanted creature becomes the target of a spell or ability, put a +1/+1 counter on it and that creature deals 1 damage to each opponent. This ability triggers no more than twice each turn.

Whenever Spikemane Lion dies, you may bless target creature.

Draw a card.
Investigate.

When Spirited Protest enters, create two 1/1 white Warrior creature tokens.
{1}, Sacrifice Spirited Protest: Target creature you control gains haste until end of turn.

Target creature gets +1/+1 until end of turn for each creature you control.

When this enchantment enters, it deals X damage to each creature.
Whenever one or more creatures your opponents control die, you create a Treasure token. This ability triggers only once each turn.

Return target nonland permanent to its owner's hand.
Invoke {3}{U}{U}{U}