Vision (Whenever this or another creature you control enters, reveal the top card of your library. Then you may put that card into your graveyard.) Whenever Gleaming Rider envisions an instant or sorcery card, target creature becomes a 5/5 Elk Spirit until end of turn.
When Gulchdrinker Serpent enters, detain target permanent. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)
“There are no serpents in the Bearidge Lake. Anyone found guilty of saying otherwise will be jailed six months if they were not eaten.” — The Judges' Law
Put target creature on top of its owner's library. Quickdraw {2}{U}(When a creature you control blocks or becomes blocked, you may cast this spell for {2}{U}.)
As long as another creature you control is attacking, Prolific Thief can't be blocked. Whenever Prolific Thief deals combat damage to a player, draw a card, then discard a card.
An experienced outlaw will always have a few friends to frame.
Flying When Slighted Spirit enters, detain up to two target creatures. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)
Creatures your opponents control get -4/-0 until end of turn. Quickdraw {1}{U}{U}(When a creature you control blocks or becomes blocked, you may cast this spell for {1}{U}{U}.)
{1}{U}: Return Sparkling Jackalope and target creature to their owner's hands. {5}{U}{U}: Sparkling Jackalope gets +4/+4 and gains flying until end of turn.
While skittish in herds, the lone jackalope is an elusive fighter, and is said to prey on manticores when it gets the jump on them.
When Spirit of the Falls enters, choose a permanent type. Return all other permanents of the chosen type to their owner's hands. Discard two land cards: Spirit of the Falls gains hexproof until end of turn.