3 cards where the text includes “{t}” and the text includes “equipped” and the text includes “deals” and the text includes “damage” and the text includes “target” and the text includes “player” and it’s legal in Commander

Dowsing Dagger // Lost Vale (Ixalan #235)
Dowsing Dagger // Lost Vale (Ixalan #235)

Dowsing Dagger {2}

Artifact — Equipment

When Dowsing Dagger enters the battlefield, target opponent creates two 0/2 green Plant creature tokens with defender.

Equipped creature gets +2/+1.

Whenever equipped creature deals combat damage to a player, you may transform Dowsing Dagger.

Equip {2}

Lost Vale

Land

(Transforms from Dowsing Dagger.)

{T}: Add three mana of any one color.

The pirates had ventured into the interior for treasure. They found something far greater.

Illustrated by Florian de Gesincourt

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Sorcerer's Wand (Dominaria #231)

Sorcerer's Wand {1}

Artifact — Equipment

Equipped creature has “{T}: This creature deals 1 damage to target player or planeswalker. If this creature is a Wizard, it deals 2 damage instead.”

Equip {3}

Illustrated by Matt Stewart

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Surestrike Trident (Darksteel #147)

Surestrike Trident {2}

Artifact — Equipment

Equipped creature has first strike and “{T}, Unattach Surestrike Trident: This creature deals damage equal to its power to target player or planeswalker.”

Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Illustrated by Ben Thompson

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny

In the blink of an eye, they strode from deep snow to the end of this search.