Target creature gets +2/+2 until end of turn. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

Elspeth's Smite deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.

Flying
When this creature deals combat damage to a player who controls more lands than you, return it to its owner's hand. If you do, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Enchant creature
Enchanted creature gets +3/+3.
When enchanted creature attacks or blocks, sacrifice this Aura at the beginning of the next cleanup step.

Fire at Will deals 3 damage divided as you choose among one, two, or three target attacking or blocking creatures.

: Return this creature to its owner's hand.
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

This creature enters with a +1/+1 counter on it if you control a modified creature. (Equipment, Auras you control, and counters are modifications.)

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

This spell costs less to cast if it targets a creature whose controller has eight or more cards in their graveyard.
Gain control of target creature with mana value X.

This artifact enters tapped.
, , Sacrifice this artifact: X target creatures with power 2 or less can't be blocked this turn.

: Add .
: Add {∞}. Activate only once and only if you control an Urza's Mine, an Urza's Power-Plant, and an Urza's Tower.
, : Head to AskUrza.com and click Urza's Fun House.

Sacrifice this creature: Exile target card from a graveyard.

Battalion — Whenever this creature and at least two other creatures attack, this creature gains flying until end of turn.

Destroy target creature. Its controller loses life equal to its power plus its toughness.
Suspend 5— (Rather than cast this card from your hand, you may pay and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

At the beginning of your upkeep, if you control five or more lands, put four +1/+1 counters on this creature.

, Sacrifice this creature: Destroy target artifact.

As an additional cost to cast this spell, sacrifice a creature.
Flying, trample

: Target opponent chooses any number of creatures they control. During that player's next turn, the chosen creatures attack if able, and other creatures can't attack. At the beginning of that turn's end step, destroy each of the chosen creatures that didn't attack this turn. Activate only during your turn.

At the beginning of each upkeep, if no spells were cast last turn, transform this creature.