Pray — Once during each of your turns, you may cast a creature spell from among cards in your graveyard that were put there from anywhere other than the battlefield this turn.
Whenever you attack, you may pay and discard a card. If you do, draw a card.

, : This creature deals half X damage, rounded down, to any target, and half X damage, rounded up, to you.

Myriad
Whenever this creature deals combat damage to a player, that player discards a card.

Equipped creature gets +1/+1 for each charge counter on this Equipment.
Whenever equipped creature deals combat damage, put a charge counter on this Equipment.
Equip

All creatures have exalted.

Whenever chaos ensues, put a divinity counter on target green, white, or blue creature. That creature has indestructible for as long as it has a divinity counter on it.

, : Target creature gains trample until end of turn.
, : Target creature gains flying until end of turn.

Choose one —
• Destroy target artifact.
• Put target creature on the bottom of its owner's library.
• Counter target instant spell.

: Add .
, , Sacrifice this land: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle.

When you cycle this card and when this creature dies, you may create a 1/1 white Soldier creature token.
Cycling

As long as you control another multicolored permanent, this creature gets +1/+1 and has first strike.

, : Choose target creature and roll a six-sided die. If you roll a 6, sacrifice Bantam of the Opera. Otherwise, that creature gets -X/-X until end of turn, where X is the result.

Choose one —
• Destroy target creature with power 4 or greater.
• Destroy target creature with any part of its head higher than the bar. (Align the tops of both cards to check.)

Creatures you control get +0/+4 until end of turn.

Counter target creature or planeswalker spell. Venture into the dungeon. (Enter the first room or advance to the next room.)

Barad-dûr enters tapped unless you control a legendary creature.
: Add .
, : Amass Orcs X. Activate only if a creature died this turn.

First strike, menace
Whenever you cast your first instant or sorcery spell each turn, you may cast a spell with lesser mana value that shares a card type with it from your hand without paying its mana cost. If you don't, create First Mate Ragavan, a legendary 2/1 red Monkey Pirate creature token. It gains haste until end of turn.

Instant and sorcery spells you cast cost less to cast.
Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

Return up to three target artifacts and/or creatures to their owners' hands.
You may cast a spell with mana value 4 or less from your hand without paying its mana cost.

History Teacher — Sagas you control have read ahead.
Doctor's companion (You can have two commanders if the other is the Doctor.)

Discard a card at random: This creature gets +2/+2 until end of turn unless a player has this creature deal 4 damage to them. Activate only once each turn.

(Gain the next level as a sorcery to add its ability.)
If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.
: Level 2
Whenever you roll one or more dice, target creature you control gets +2/+0 and gains menace until end of turn.
: Level 3
Creatures you control have haste.

, : Choose a land type. Target creature you control gains snow landwalk of the chosen type until end of turn. Return that creature to its owner's hand at the beginning of the next end step.

, Sacrifice this creature: It deals 2 damage to target creature.

When you control no Swamps, sacrifice this creature.

, Sacrifice this creature: Destroy target land.