When Oreskos Explorer enters, search your library for up to X Plains cards, where X is the number of players who control more lands than you. Reveal those cards, put them into your hand, then shuffle.
FlashWhen Plaxmanta enters, creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.)When Plaxmanta enters, sacrifice it unless was spent to cast it.
Kicker (You may pay an additional as you cast this spell.)When Desolation Giant enters, destroy all other creatures you control. If it was kicked, destroy all other creatures instead.
Multikicker (You may pay an additional any number of times as you cast this spell.)Creatures you control get +1/+1.When Marshal's Anthem enters, return up to X target creature cards from your graveyard to the battlefield, where X is the number of times Marshal's Anthem was kicked.
Constellation — Whenever Dreadbringer Lampads or another enchantment you control enters, target creature gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Enchant permanentWhen Faith's Fetters enters, you gain 4 life.Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities.
Kicker (You may pay an additional as you cast this spell.)Destroy target artifact or enchantment. If this spell was kicked, it deals damage equal to that permanent's mana value to target creature.
Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)Double strike (This creature deals both first-strike and regular combat damage.)Enchanted creature gets +1/+1 and has double strike.
Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.
TrampleMyriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
: Target creature gets +1/+1 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.), Sacrifice a nontoken creature: Create X 1/1 green Saproling creature tokens, where X is the sacrificed creature's toughness.
When Diabolic Servitude enters, return target creature card from your graveyard to the battlefield.When the creature put onto the battlefield with Diabolic Servitude dies, exile it and return Diabolic Servitude to its owner's hand.When Diabolic Servitude leaves the battlefield, exile the creature put onto the battlefield with Diabolic Servitude.
Create a 5/5 blue and red Elemental creature token with flying.Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)