Flying
When Topplegeist enters the battlefield, tap target creature an opponent controls.
Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, tap target creature that player controls.

Flying
: Torch Drake gets +1/+0 until end of turn.

Flying

When Tornado Elemental enters the battlefield, it deals 6 damage to each creature with flying.
You may have Tornado Elemental assign its combat damage as though it weren't blocked.

Flying
Whenever Torrent Elemental attacks, tap all creatures defending player controls.
: Put Torrent Elemental from exile onto the battlefield tapped. Activate this ability only any time you could cast a sorcery.

Torrent of Lava deals X damage to each creature without flying.
As long as Torrent of Lava is on the stack, each creature has ": Prevent the next 1 damage that would be dealt to this creature by Torrent of Lava this turn."

Flying
: Tower Drake gets +0/+1 until end of turn.

Flying

Flying
When Tower Geist enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

Reach (This creature can block creatures with flying.)

Flying
, Tap two untapped creatures you control: Return target permanent to its owner's hand.

Flying
Whenever Trained Condor attacks, another target creature you control gains flying until end of turn.

Flying
Aura spells you cast cost less to cast.

, Sacrifice Transluminant: Create a 1/1 white Spirit creature token with flying at the beginning of the next end step.

, : Put a trap counter on target land you control.
Sacrifice a land with a trap counter on it: Trap Digger deals 3 damage to target attacking creature without flying.

Enchant creature without flying
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Defender; reach (This creature can block creatures with flying.)
Traproot Kami's toughness is equal to the number of Forests on the battlefield.

Flying
Whenever Treacherous Vampire attacks or blocks, sacrifice it unless you exile a card from your graveyard.
Threshold — As long as seven or more cards are in your graveyard, Treacherous Vampire gets +2/+2 and has "When Treacherous Vampire dies, you lose 6 life."

Reach (This creature can block creatures with flying.)

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature gets +1/+1 and can't be blocked except by creatures with flying.