Flying, trample
Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

Your starting hand size is increased by one.
Your maximum hand size is increased by one.

Prevent all noncombat damage that would be dealt to you and other permanents you control.
[−2]: Exile target creature with power 4 or greater.

Exile The Warmonger: Creatures you control get +2/+0 and gain haste until end of turn.

: Target creature you control gains haste until end of turn.

Creatures with flying get +2/+0.
Creatures without flying get -2/-0.
Whenever you roll {CHAOS}, target creature gains flying until end of turn.

Draw a card for each tapped creature target opponent controls.

Choose one —
• Target nonsnow permanent becomes snow until end of turn.
• Target snow permanent isn't snow until end of turn.
Draw a card at the beginning of the next turn's upkeep.

Flying, protection from red

Sacrifice an artifact: Thermal Navigator gains flying until end of turn.

: Add .
, : Thespian's Stage becomes a copy of target land, except it has this ability.

Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)
Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Thieving Magpie deals damage to an opponent, draw a card.

Whenever Thieving Otter deals damage to an opponent, draw a card.

Kicker . X can't be 0. (You may pay an additional as you cast this spell.)
Flying
When Thieving Skydiver enters the battlefield, if it was kicked, gain control of target artifact with converted mana cost X or less. If that artifact is an Equipment, attach it to Thieving Skydiver.

Whenever Thing from the Deep attacks, sacrifice it unless you sacrifice an Island.

Defender
Thing in the Ice enters the battlefield with four ice counters on it.
Whenever you cast an instant or sorcery spell, remove an ice counter from Thing in the Ice. Then if it has no ice counters on it, transform it.

At the beginning of your upkeep, look at the top card of your library. You may put that card into your graveyard.

Draw a card.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature
When Thirst enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
At the beginning of your upkeep, sacrifice Thirst unless you pay .