Killer Instinct 
Enchantment
$0.30 #28213 0.07 20.7 years
At the beginning of your upkeep, reveal the top card of your library. If it's a creature card, put it onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step.
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Cards similar to Killer Instinct expected a card that isn't here?
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Impromptu Raid87%
$0.38↑#295480.20↑18.5 years↓
"
: Reveal the top card of your library. If it isn't a creature card, put it into your graveyard. Otherwise, put that card onto the battlefield. That creature gains haste. Sacrifice it at the beginning of the next end step."
: Reveal the top card of your library. If it isn't a creature card, put it into your graveyard. Otherwise, put that card onto the battlefield. That creature gains haste. Sacrifice it at the beginning of the next end step."
Game Preserve79%
$0.63↑#266690.0627.0 years↑
"At the beginning of your upkeep, each player reveals the top card of their library. If all cards revealed this way are creature cards, put those cards onto the battlefield under their owners' control."
Hans Eriksson78%
$0.16↓#18594↑0.065.9 years↓
"Whenever this card attacks, reveal the top card of your library. If it's a creature card, put it onto the battlefield tapped and attacking defending player or a planeswalker they control. Otherwise, put that card into your hand. When you put a creature card onto the battlefield this way, it fights this card."
Raph & Mikey, Troublemakers70%
$2.10↑#6202↑1.06↑0.6 years↓
"Whenever this card attack, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield tapped and attacking and the rest on the bottom of your library in a random order."