Many mill effects target a player and can count as a crime
If youve got a way to put lands onto the battlefield at instant speed, you can use Talon Gates of Madara to save your creature from removal, or to phase out a lethal attacker coming your way
This doesn't seem too powerful with cards like Sliver Hivelord, but imagine getting 3 copies of Sliver Legion, or Predatory Sliver for an insane board-wide +3/+3
(It cant be blocked except by creatures with horsemanship.) One of the greatest steeds in the empire, Red Hare could travel a thousand li a day and climb hills as if running on flat ground
(It can't be the target of spells or abilities your opponents control.) Instant Color tag templates(None) Tamiyo's Safekeeping Target permanent you control gains hexproof and indestructible until end of turn
Last but not least, Deathleaper is haste tribal in effect if not specifically in name, giving double strike to creatures who entered the battlefield this turn