Vigilance, lifelink
Ward—{2}, Pay 2 life.
Azantium, Perfect Creation has all activated abilities and triggered abilities of other artifacts you control.

When Ballot Registrar enters, make a pledge.
Activated abilities of nonland permanents you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

When Bangtan Security enters, target creature gets +2/+0 and gains indestructible until end of turn.

Up to X target creatures you control each get +1/+1 until end of turn. Untap those creatures.

When Barbarous Roughrider enters or leaves the battlefield, each opponent loses 2 life unless they sacrifice a nontoken creature.
Wander {4}{B}{B}

Trample
Solidarity

Flash
At the beginning of your end step, if you've cast no spells this turn, you may draw a card, then discard a card.

Barren Ashlands enters tapped.
{T}: Add {B} or {R}.
{5}{B/R}: Barren Ashlands becomes a 3/3 black and red Lizard creature with first strike until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to black and red. Activate only once each turn.

Tap up to two target creatures. Put a stun counter on each artifact tapped this way.

Ward {2}
{U}: Spells you cast this turn can be cast as though they had flash.

{2}, Sacrifice a creature: Teach target creature menace.

Solidarity
Whenever Battlehymn Howler attacks, add an amount of {G} equal to its power. Until end of turn, you don't lose this mana as steps and phases end.

Spells you cast and abilities you activate that target equipped creature cost {2} less. This ability can't reduce the mana in that cost to less than one mana.
Equipped creature gets +1/+1 and has lifelink.
Equip {2}

Reach, haste
Drop — When Beat Devastator enters, if you didn't cast any creature spells during your last turn, Beat Devastator gains vigilance until end of turn. Up to one target creature blocks it this turn if able.

When Beatswitch Bot leaves the battlefield, if it's your turn, draw a card.

Flying
Whenever you amp it up, create a 1/1 colorless Servo artifact creature token.

When Beckoner of Ends enters, target player discards a card. Integrate that card.
Beckoner of Ends has deathtouch as long as a land card is integrated onto it.

{4}{B}{B}, Exile Begin the Imperial Era from your hand: At the beginning of your next upkeep, you may cast Begin the Imperial Era from exile without paying its mana cost. Activate only as a sorcery.
You draw three cards and each opponent discards three cards. Each player loses 3 life.

When Beguiling Stewards enters, if it's not a token, create a token that's a copy of it.
Beguiling Stewards has deathtouch as long as you control another creature named Beguiling Stewards.

Flash
Ward {3}
You may reveal the second card you draw each turn as you draw it. When you do, you may cast it without paying its mana cost. If you didn't cast a spell this way, create two Treasure tokens.

At the beginning of combat of your turn, Belief-Belying Beast gains flying until end of turn if you control a creature with flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Ruins you control can't be blocked by creatures with power 2 or less.
{1}, {T}: Put a +1/+1 counter on target Ruin.
Spellcharge 5

Creatures you control with power greater than their base power can't be blocked by more than one creature.
{G}{W}: Target creature gets +1/+1 until end of turn. Activate only as a sorcery.

Flash
When Benthalos of Land and Sea enters, you may cast a copy of target white or blue enchantment you control.

When Berry Fermenter enters, create a Berry token.
{2}, Sacrifice a Berry: You gain 3 life.
{T}, Sacrifice a Berry: Add one mana of any color.