Enchant creature
Enchanted creature has flying.
Aura swap (: Exchange this Aura with an Aura card in your hand.)

If was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if was spent.)

Chaotic Backlash deals damage to target player equal to twice the number of white and/or blue permanents they control.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Crowd of Cinders's power and toughness are each equal to the number of black permanents you control.

Dragon spells you cast cost less to cast.

When Elsewhere Flask enters the battlefield, draw a card.
Sacrifice Elsewhere Flask: Choose a basic land type. Each land you control becomes that type until end of turn.

During combat, players can't cast instant spells or activate abilities that aren't mana abilities.

Regenerate target creature. You gain life equal to that creature's toughness.

Formidable — : Target creature blocks Lurking Arynx this turn if able. Activate this ability only if creatures you control have total power 8 or greater.

: Roll a six-sided die. On a 3 or lower,
target player adds . Otherwise, that player adds one mana of any color they choose.

Enchant creature
As Magic Word enters the battlefield, choose a word.
Whisper the chosen word: Tap enchanted creature.

, , Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.

Shrewd Hatchling enters the battlefield with four -1/-1 counters on it.
: Target creature can't block Shrewd Hatchling this turn.
Whenever you cast a blue spell, remove a -1/-1 counter from Shrewd Hatchling.
Whenever you cast a red spell, remove a -1/-1 counter from Shrewd Hatchling.

Formidable — Whenever Stampeding Elk Herd attacks, if creatures you control have total power 8 or greater, creatures you control gain trample until end of turn.

Deathtouch
When Steady-Handed Mook enters the battlefield, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Assemble two Contraptions. (Put the top card of your Contraption deck face up onto one of your sprockets. Then repeat this process.)