Whenever you scry, the next instant or sorcery spell you cast this turn costs less to cast, where X is the number of cards looked at while scrying this way.
+2: Draw a card, then scry 2.
−3: Exile the top card of your library. Create a number of 1/1 blue Faerie Dragon creature tokens with flying equal to that card's mana value.
Elminster can be your commander.

Flying
If damage would be dealt to you, prevent that damage and mill twice that many cards.

Flying, first strike, trample, lifelink, haste
At the beginning of combat on your turn, other Spiders you control gain flying, first strike, trample, lifelink, and haste until end of turn.

Reflect (As this enters, each opponent may pay . When they do, they create a token copy of this except it lacks this ability.)
, Exile Mirrored Lotus: Add three mana of any one color.

Sliver creatures you control have lifelink. (Damage dealt by a Sliver creature you control also causes you to gain that much life.)

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Spree (Choose one or more additional costs.)
+ — Destroy target artifact.
+ — Destroy target enchantment.
+ — Put a +1/+1 counter on each creature target player controls.

Nyx Lotus enters tapped.
: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

(: Add .)

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 2-3
3/3
Flying
LEVEL 4+
4/4
Flying
Other Merfolk creatures you control get +1/+1.

: Add .
: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Tap an untapped Wizard you control: Counter target spell unless its controller pays .

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Whenever Ian the Reckless attacks, if it's modified, you may have it deal damage equal to its power to you and any target. (Equipment, Auras you control, and counters are modifications.)

This land enters tapped unless you control a Mountain or a Plains.
: Add or .

Flying, trample
When Dragonlord Atarka enters, it deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control.

Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

You may sacrifice two Mountains rather than pay this spell's mana cost.
Create two 1/1 red Goblin creature tokens.

Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

: Add .