3 cards where the text includes “whenever you clash”

Entangling Trap (Lorwyn #13)

Entangling Trap {1}{W}

Enchantment

Whenever you clash, tap target creature an opponent controls. If you won, that creature doesn’t untap during its controller’s next untap step. (This ability triggers after the clash ends.)

Illustrated by Warren Mahy

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Rebellion of the Flamekin (Lorwyn #188)

Rebellion of the Flamekin {3}{R}

Tribal Enchantment — Elemental

Whenever you clash, you may pay {1}. If you do, create a 3/1 red Elemental Shaman creature token. If you won, that token gains haste until end of turn. (This ability triggers after the clash ends.)

Illustrated by Dan Dos Santos

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Sylvan Echoes (Lorwyn #237)

Sylvan Echoes {G}

Enchantment

Whenever you clash and win, you may draw a card. (This ability triggers after the clash ends.)

It takes a huntmaster’s eye to discern the contours of mythical prey.

Illustrated by Rebecca Guay

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

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.