Menace
Whenever your Champion attacks, you may discard a card. If you do, draw a card.

Whenever you cast an instant or sorcery spell, Skyward Magus gets +1/+1 and gains flying until end of turn.

Menace
Other creatures you control with menace get +1/+1.
Whenever a creature you control with menace becomes blocked, each opponent loses 1 life.

Flying, haste
At the beginning of combat on your turn, if you've cast an instant or sorcery spell with mana value 4 or greater this turn, you may return Smolderwing from your graveyard to the battlefield.

Whenever Smooth Operator deals combat damage to a player, draw a card.

Prevent all damage that would be dealt to Soundproof Transport by creatures blocking it.

Menace
When Speaker of Ash enters the battlefield, you may sacrifice a nonland permanent or discard a card. If you do, each opponent sacrifices a nonland permanent with mana value equal to the sacrificed permanent or discarded card's mana value.

Whenever Spear of the Sun-Crowned attacks, if you control two or more enchanted creatures, it gains lifelink until end of turn.

Whenever you amp it up, Spirit of the Crowd gets +1/+1 and gains trample until end of turn.

When this creature transforms into Splintered Soul, create X 3/1 colorless Cyborg Soldier artifact creature tokens.
Splintered Soul and other Cyborgs you control have ward {2}.

{2}, Sacrifice Spry Illuminator: Destroy target enchantment or noncreature artifact.

Flying
Drop — When Staggering Wyvern enters the battlefield, if you didn't cast any creature spells during your last turn, tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Flash

Multitude {6}{G}{G}
Stalwart Grovekeepers can't be blocked by creatures with power 2 or less.

Steamveil Model enters with a +1/+1 counter on it.

Once each turn, when an opponent is dealt damage, you may pay {R} and discard up to X cards, where X is equal to the damage dealt. If you do, draw that many cards. Put a +1/+1 counter on Strongarm Gambler.

Flash
When Supporting Crowd enters the battlefield, you may have another target creature you control dare 5.

First strike
Cybersoul {4}{W}

Multitude {5}{W}
Vigilance

{X}: Symbol of the Revolution dares X. X can't be 0.
As long as Symbol of the Revolution is a Rebel, it has flying, lifelink, and vigilance.

Flash
When Tempo Arbiter enters the battlefield, up to one target creature gets -X/-0 until end of turn, where X is the number of artifacts you control.

Tenacious Snapvines enters the battlefield with X +1/+1 counters and your choice of up to X different counters from among deathtouch, lifelink, vigilance, trample, menace, reach or ward {2} on it.
If damage would be dealt to Tenacious Snapvines, remove a +1/+1 counter and another kind of counter from it. If you do, prevent that damage.

When Terror of Olantin enters the battlefield, create a number of 1/1 blue Tentacle creature tokens equal to your devotion to green.

{T}: Add {C}.
Spellcharge 4

Flash
Whenever Thassa's Tideshaper attacks, defending player mills two cards and you draw a card. Then discard a card unless defending player has eight or more cards in their graveyard.