Bard the Bowman

Each recruit draws a card; on turns you also draw naturally that's the 'second card' that triggers Bard's counter-and-lifelink.

Equipping Bard makes his second-card-drawn ability trigger an additional time, producing two +1/+1 counters and granting lifelink to up to two creatures from each successful trigger event.

Bard's Company recruits when it enters and whenever it attacks, repeatedly supplying the extra draw that triggers Bard while also creating creatures that can receive his counters and lifelink.

Activating Gleaming Splendor during the opponent's turn gives you your second draw of that turn, triggering Bard for a +1/+1 counter and temporary lifelink while also creating a Treasure because the opponent draws their second card.

After the normal draw for the turn, Long Lake Nuisance's recruit draw is the second card drawn, triggering Bard to place a +1/+1 counter and grant lifelink.

On chapters III and IV, the Saga draws a card after the normal draw step, triggering Bard to place a +1/+1 counter and grant lifelink on two consecutive turns.

The recruit's loot draw is a non-draw-step draw, so it often makes your second card of the turn — Bard converts the counterspell into a +1/+1 counter and lifelink on top of the tempo.

Both trigger on your second draw each turn — one draw engine turns on two payoffs at once.

The Boat's attack recruit is a draw — with your draw step, that's the second card that triggers Bard every combat turn.

Bilbo's combat-damage loot is an extra draw after the normal draw step, so each successful attack triggers Bard's counter-and-lifelink ability.

Chapter I recruits to trigger Bard from the extra draw, while Chapter II can return Bard to the battlefield if he has been removed.

The King replaces the first extra card draw with two draws, ensuring Bard sees a second card drawn that turn while substantially increasing the value of the same recruit and loot effects used to enable him.

The Arkenstone's recurring end-step draw is normally the second card drawn after the draw-step card, triggering Bard every turn without requiring another draw engine.

Allure of Power supplies the second card drawn in a turn, triggering Bard to place a +1/+1 counter and grant lifelink, which helps offset the Equipment's repeated 2-life equip payments.

After the normal draw for the turn, activating Map supplies the second draw needed to trigger Bard's +1/+1 counter and lifelink ability.

Recruit-heavy Human decks can create multiple tokens in a turn, making Belladonna's second token trigger draw a card; after the normal draw step, that draw triggers Bard's counter and lifelink ability.

Elrond turns the first creature ability you activate each turn into an extra draw, which is commonly the second card drawn after the draw step and therefore triggers Bard.

The same extra draw that triggers Bard also puts a +1/+1 counter on Ravenhill Flock, and Bard can place his own counter and temporary lifelink on the growing evasive creature.

Casting the draw mode triggers Bard's second-card ability, placing a +1/+1 counter on a creature and granting it lifelink for the turn.

If the Lookout dies during your turn after your draw step, Recruit draws your second card of the turn, triggering Bard to place a +1/+1 counter and grant lifelink.

After your normal draw for the turn, Celebrate's Recruit draw is your second card, triggering Bard to place a +1/+1 counter and grant lifelink while the exile effect clears a blocker.

Casting Plunder after the normal draw for the turn immediately triggers Bard, adding a +1/+1 counter and granting lifelink for combat.

The Garrison's enters-the-battlefield recruit supplies an extra draw after the draw step, triggering Bard, and the resulting Human token provides another useful target for Bard's counter and lifelink.

Each artifact entering under your control can provide the extra draw needed to trigger Bard, allowing artifact and token production to become a repeatable source of +1/+1 counters and lifelink.

Patient Instructor's recruit draw commonly becomes the second card drawn that turn, immediately triggering Bard while potentially adding a Human token that can receive his counter.

Casting Bilbo after the normal draw step makes his enters-the-battlefield draw the second card of the turn, triggering Bard's counter and lifelink ability.

The same second-card draw triggers both creatures, permanently growing the Apothecary twice if Bard targets it and giving the enlarged vigilant creature lifelink for the turn.

Any draw engine that triggers Bard also satisfies Toymaker's two-cards-drawn condition; Bard can add a permanent counter and lifelink to the creature Toymaker gives +3/+0 and first strike, creating a strong combat swing.

Casting a noncreature spell can make Uncover draw one or more cards, readily reaching the second draw of the turn and triggering Bard while the subsequent discard helps filter the extra cards.

Beorn's draw-two trigger reliably activates Bard during combat, placing a +1/+1 counter on a creature and granting it lifelink before combat damage.