Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) When this creature enters, you may pay {U}. If you don't, destroy target Knight and it can't be regenerated.
Man-o'-War
When this creature enters, return target creature to its owner's hand.
Mystic Veil
You may cast this spell as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step. Enchant creature Enchanted creature has shroud. (It …
Flying When this creature enters, return a creature you control to its owner's hand.
Enchant creature {U}{U}: Enchanted creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)
Choose one — • Target player mills four cards. • Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn. • Target artifact phases out. (While it's phased out, it's treated as though it doe…
Homarid Warrior
{U}: This creature gains shroud until end of turn and doesn't untap during your next untap step. Tap it. (A creature with shroud can't be the target of spells or abilities.)
Soul Barrier
Whenever an opponent casts a creature spell, this enchantment deals 2 damage to that player unless they pay {2}.
Updraft
Target creature gains flying until end of turn. Draw a card at the beginning of the next turn's upkeep.
Flying This creature can block only creatures with flying.
Omen
Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.
Owl Familiar
Flying When this creature enters, draw a card, then discard a card.
Snapping Drake
Flying (This creature can't be blocked except by creatures with flying or reach.)