When Spellseeker enters, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.
Flash Flying Whenever this creature attacks, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to that card's mana cost.
Reach Whenever another nontoken creature you control dies, you may reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.
When Spiteful Banditry enters, it deals X damage to each creature. Whenever one or more creatures your opponents control die, you create a Treasure token. This ability triggers only once each turn.
Whenever Spitting Dilophosaurus enters or attacks, put a -1/-1 counter on up to one target creature. Creatures your opponents control with -1/-1 counters on them can't block.
Bestow {1}{G} Enchanted creature gets +1/+1. Landfall — Whenever a land you control enters, you may pay {1}{G} if Springheart Nantuko is attached to a creature you control. If you do, create a token that's a copy of that creature. If you didn't create a token this way, create a 1/1 green Insect creature token.
Spymaster's Vault enters tapped unless you control a Swamp. {T}: Add {B}. {B}, {T}: Target creature you control connives X, where X is the number of creatures that died this turn.
When Staff of Eden, Vault's Key enters, put target legendary permanent card not named Staff of Eden, Vault's Key from a graveyard onto the battlefield under your control. {T}: Draw a card for each permanent you control but don't own.
Gift a card Destroy all creatures. If the gift was promised, return a creature card put into your graveyard this way to the battlefield under your control.
The boundaries of Valley are heavily defended. Especially at night.
Create a 4/4 white Angel Warrior creature token with flying and vigilance. If this spell was foretold, create X of those tokens instead. Foretell {X}{X}{W}
More Than Meets the Eye {2}{B} Flying Whenever you draw a card, if you're the monarch, target opponent loses 2 life. Whenever one or more creatures deal combat damage to you, convert Starscream.
(Color indicator: Starscream, Seeker Leader is black)
Living metal Flying, menace, haste Whenever Starscream deals combat damage to a player, if there is no monarch, that player becomes the monarch. Whenever you become the monarch, convert Starscream.
When Starving Revenant enters, surveil 2. Then for each card you put on top of your library, you draw a card and you lose 3 life. Descend 8 — Whenever you draw a card, if there are eight or more permanent cards in your graveyard, target opponent loses 1 life and you gain 1 life.