Esper Sentinel [Modern Horizons 2 Prerelease Promos] WTR155-C ) Whenever an attack action

) Whenever an attack action card you control deals damage to an opposing hero

Set: Arabian Nights Type: Artifact Creature — Construct Rarity: Uncommon Cost: {1} Brass Man doesn't untap during your untap step

1 Wall of Mourning

you may reveal the top four cards of your library

{T}: Put up to X +1/+0 counters on Clockwork Beast

Esper Sentinel [Modern Horizons 2 Prerelease Promos] WTR155-C ) Whenever an attack actionSet: Modern Horizons 2 Prerelease Promos Type: Artifact Creature Human Soldier Rarity: Rare Cost: {W} Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power. The more Esper changes, the more he refuses to.