Whenever Festerleech deals combat damage to a player, you mill two cards. {1}{B}: Festerleech gets +2/+2 until end of turn. Activate only once each turn.
"Four Dead in Zombie Leech Attack, Dozens Nauseated" —Tenth District Times headline
Other Kobolds you control get +2/+2. Whenever you cast a Kobold spell, you may pay {2}. If you do, create a 4/4 red Dragon creature token with flying. Whenever you cast a Dragon spell, create a 0/1 red Kobold creature token named Kobolds of Kher Keep.
{2}, {T}: Choose target opponent. Conjure a duplicate of the top card of their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." Then they exile the top card of their library face down.
Flash Flying When Subtlety enters the battlefield, choose up to one target creature spell or planeswalker spell. Its owner puts it on the top or bottom of their library. Evoke—Exile a blue card from your hand.
Choose creature or land. Reveal the top four cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest into your graveyard.
Whenever Tanuki Transplanter or equipped creature attacks, add an amount of {G} equal to its power. Until end of turn, you don't lose this mana as steps and phases end. Reconfigure {3}
Enchant creature Enchanted creature has menace and "Whenever this creature deals combat damage to a player, create a Treasure token." When enchanted creature dies, draw a card.
Target creature you control climbs into Goblin Sleigh Ride. You slide them on their merry way. If the creature stayed on, it deals damage equal to its toughness to each other creature touched during the slide.
"What fun it is to ride and sing a slaying song tonight!"
Flying, ward {2} Whenever you cast a Faerie or Wizard permanent spell, copy it.
"The High Fae are capable of magics that would make even the great Gadwick himself seem little more than a clumsy apprentice." —Chulane, Teller of Tales
Eternal Taskmaster enters the battlefield tapped. Whenever Eternal Taskmaster attacks, you may pay {2}{B}. If you do, return target creature card from your graveyard to your hand.
"They are called Eternals. They will never stop." —Jace Beleren