msem-instigator

Prowess
When Surviving Scavengers enters, you may draw a card, then discard a card.

Enchant land
Enchanted land has “{W}, {T}: You gain 2 life.”

Deception {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Pay 1 life, Choose a creature card name you haven't chosen for Suzume Oshiruko this turn: Return another creature you control with the chosen name to its owner's hand.

Each other Rogue creature you control enters with an additional +1/+1 counter on it.
Remove a +1/+1 counter from a creature you control: That creature can't be blocked this turn.

Whenever you activate an ability of a card in your graveyard or cast a spell from your graveyard, create a 1/1 blue and black Bird creature token with flying and ward {1}.
Whenever three or more creatures you control deal combat damage to a player, return target creature card with mana value less than or equal to that number of creatures from your graveyard to the battlefield.

Swarm of Sporemites gets +1/+1 for each creature card and Revelation card in your graveyard.

Target creature deals damage equal to its power to its controller.

Exile target spell or creature. For as long as it remains exiled, its controller may cast that card, and it costs {2} more to cast.

Destroy target tapped creature.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Whenever Swiftspear Ambusher and exactly one other creature attack, put a +1/+1 counter on target attacking creature.

Swiftstep Cliffdweller has haste as long as you control another Goblin.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Sword Dance deals 3 damage to target attacking or blocking creature. If you're in a renaissance, Sword Dance deals 5 damage to that creature instead.

{5}, {T}, Tap an untapped creature you control: Put target card from your or a teammate's graveyard on top of its owner's library.

Whenever equipped creature deals combat damage, you may return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of damage dealt this way.
Equip {1}

Equipped creature gets +2/+1.
Whenever a creature you control enters, you may have equipped creature gain your choice of flying, vigilance, first strike or trample until end of turn.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

First strike
When Sworn Cohort dies, you may search your library for a legendary card, reveal it, put it into your hand, then shuffle.

Vigilance
Whenever a legendary creature you control enters, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Search your library for a land card, reveal it, put it into your hand, then shuffle.

Target creature gets +2/+2 until end of turn. Draw a card if that creature has a counter on it.

Scry 2, then reveal the top card of your library. If it's a basic land card, put it onto the battlefield tapped. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Menace, prowess

Enchant creature
Enchanted creature has deathtouch and “{1}{B}: Regenerate this creature.”

Lifelink
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)

When Syzygy Navigator enters, exile target nonland card from an opponent's graveyard. Copy it. You may cast the copy. (You still pay its costs, including color. Copies of permanents enter as tokens.)
Whenever you cast a spell from anywhere other than your hand, draw a card, then discard a card.