msem-instigator

Lifelink
{1}, Discard Bant Shardseeker: Search your library for a basic Island or Forest card, reveal it, put it into your hand, then shuffle.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Baptism by Fire deals 3 damage to target creature or planeswalker. If you're in a renaissance, Baptism by Fire deals 6 damage to that permanent instead.

Trample
Whenever another Dwarf you control enters, create a colorless artifact token named Ale. It has “{T}, Sacrifice this artifact: Target creature gets +2/+0 until end of turn. Activate only as a sorcery.”

Vigilance
{1}{W}: Barbarian Axe Flinger gains double strike until end of turn.

Enchant creature
Enchanted creature gets +1/+0 and has menace and “{1}{R}: This creature gets +1/+0 until end of turn.”

When Barbarian Hoarders enters, you may attach target Equipment you control to it.

When Barbarian Intimidator enters, target creature can't block this turn.
When Barbarian Intimidator enters, prevent all combat damage that would be dealt to target creature this turn.

Battalion — Whenever Barbarian Rager and at least two other creatures attack, Barbarian Rager gets +2/+0 until end of turn.

Other Warriors you control have first strike.
Other Barbarians you control get +1/+0.

Battalion — Whenever Barbaric Ambusher and at least two other creatures attack, you may tap target creature.

Until end of turn, target creature gets +1/+1 for each Equipment attached to it and gains flying and first strike.

Deathtouch
Whenever a creature dealt damage by Barbed Beast this turn dies, transform Barbed Beast.

{2}{B}, Exile Barbed Cocoon from your graveyard: Create two 1/1 green Insect creature tokens. Activate only as a sorcery.

Barbed Reef enters tapped. When it does, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this, then you may put that card into your graveyard.)
{T}: Add {B}.
{4}{B}: Barbed Reef becomes a Jellyfish creature. (This effect lasts indefinitely.)

Defender (This creature can't attack.)
Discard a card: Barge Engulfer can attack as though it didn't have defender until end of turn.

When Barhopping in Minei enters, draw up to four cards, then put twice that many drink counters on Barhopping in Minei.
Your maximum hand size is reduced by the number of drink counters on Barhopping in Minei.

Choose one —
• Destroy target artifact or enchantment.
• Barkcrush deals 5 damage to target creature with flying.

Whenever Barker Duelist becomes blocked, defending player loses 1 life.
Unveil {3}{B}{R} ({3}{B}{R}: Transform this. Unveil only as a sorcery.)

When Barking Irons enters, if it's not a token, create a token that's a copy of it.
Equipped creature gets +2/+0.
Equip {2}

Vanguard — Whenever a creature you control attacks alone, it gets +1/+3 until end of turn.

Equipped creature gets +2/+2.
Equip {3}

First strike (This creature deals combat damage before creatures without first strike.)
Other Soldier creatures you control get +1/+1 and have first strike.
{3}{W}: Create a 1/1 white Soldier creature token.

Equipped creature gets +1/+1 for each permanent attached to it and has trample.
Equip {4}

Barren Boneyard enters tapped.
{T}: Add {B}.
{2/B}{2/B}: Barren Boneyard becomes a 2/3 black Elemental creature with deathtouch until end of turn. It's still a land.