Relic Robber 

Creature — Goblin Rogue
Haste
Whenever this creature deals combat damage to a player, that player creates a 0/1 colorless Goblin Construct artifact creature token with "This token can't block" and "At the beginning of your upkeep, this token deals 1 damage to you."
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Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Mogg Toady 83%
$0.11#30572
"This creature can't block unless you control more creatures than attacking player."
Goblin Goon 83%
$0.35#20282
"This creature can't block unless you control more creatures than attacking player."
Archangel of Tithes 83%
$4.74#2212
"As long as this creature is attacking, creatures can't block unless their controller pays {1} for each of those creatures."
Sneaky Homunculus 81%
$0.08#26318
"This creature can't block or be blocked by creatures with power 2 or greater."
Howlpack Wolf 80%
$0.07#27541
"This creature can't block unless you control another Wolf or Werewolf."
Hundred-Handed One 80%
$0.29#15850
"As long as this creature is monstrous, it has reach and can block an additional ninety-nine creatures each combat."
Entourage of Trest 80%
$0.29#16626
"This creature can block an additional creature each combat as long as you're the monarch."