Emerge {5}{W} When Adipose Offspring enters the battlefield, create a 2/2 white Alien creature token. If Adipose Offspring's emerge cost was paid, instead create X of those tokens, where X is the sacrificed creature's toughness.
Whenever Frodo Baggins or another legendary creature enters the battlefield under your control, the Ring tempts you. As long as Frodo is your Ring-bearer, it must be blocked if able.
"Few have ever come hither through greater peril or on an errand more urgent." —Elrond
Deathtouch Face-down creatures you control have "{2}{U}{B}: Turn this creature face up. If you can't, exile it, then you may cast the exiled card without paying its mana cost." Whenever an Assassin you control deals combat damage to an opponent, cloak the top card of that player's library.
When Dawnbringer Cleric enters the battlefield, choose one — • Cure Wounds — You gain 2 life. • Dispel Magic — Destroy target enchantment. • Gentle Repose — Exile target card from a graveyard.
Rupture Spire enters the battlefield tapped. When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}. {T}: Add one mana of any color.
Enlist Whenever Guardian of New Benalia enlists a creature, scry 2. Discard a card: Guardian of New Benalia gains indestructible until end of turn. Tap it.
Take an extra turn after this one. If this spell was foretold, create two 1/1 blue Bird creature tokens with flying. Exile Alrund's Epiphany. Foretell {5}{U}{U}
Kicker {W} and/or {2}{B} When Stormscape Battlemage enters the battlefield, if it was kicked with its {W} kicker, you gain 3 life. When Stormscape Battlemage enters the battlefield, if it was kicked with its {2}{B} kicker, destroy target nonblack creature. That creature can't be regenerated.
Enchant creature As long as enchanted creature is blue, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, draw a card." As long as enchanted creature is black, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, that player discards a card."