Flying
Drop — When Sphinx of the Soundveins enters, if you didn't cast any creature spells during your last turn, untap up to three lands.

Tidewake Walker enters with a hexproof counter on it.

Creatures you control can't be blocked unless defending player pays {1} for each creature blocking it.
Creatures can't attack you unless their controller pays {1} for each creature they control that's attacking you.

Deathtouch
When this creature transforms into Iris Flayer, target player draws a card and loses 1 life.

When Skarni Patrol enters, if you control an Equipment, you draw a card and you lose 1 life.
Pay 2 life: The next equip ability you activate this turn costs {2} less to activate. Activate only once each turn.

Indulgence
Whenever you indulge, each opponent loses 2 life.

Solidarity
Whenever Battlehymn Howler attacks, add an amount of {G} equal to its power. Until end of turn, you don't lose this mana as steps and phases end.

When Sinister Sampler enters, exile up to one target artifact and up to one target artifact card in a graveyard.
{2}{VP}{U}{B}, {T}: Create a token that's a copy of a card exiled with Sinister Sampler. Activate only as a sorcery.

Drop — When Rave Mastermind enters, target player discards a card. If you didn't cast any creature spells during your last turn, that player discards two cards instead. Put each land card discarded this way onto the battlefield tapped under your control.

{W}, Exile an artifact or enchantment card from your graveyard: You gain 3 life.
{2}{U}, Exile an instant or sorcery card from your graveyard: Draw a card.
{4}{B}, Exile a creature or planeswalker card from your graveyard: Create a tapped 0/0 colorless Robot artifact creature token with three +1/+1 counters on it.

Trample
Whenever Mondo attacks, create a 1/1 colorless Soldier creature token that's tapped and attacking, then Mondo gets +X/+0 until end of turn, where X is the number of attacking creatures.

Goletre, Perfected Form enters with a lifelink counter, a +1/+1 counter, and a flying counter on it.
Whenever a creature you control attacks, choose a kind of counter on it. You may put a counter of that kind on target creature you control other than that creature.

Whenever Omnoid Destroyer or another artifact you control enters, artifact creatures you control gain deathtouch until end of turn.

Vigilance
Whenever Dark Ambassador attacks, exile up to one target creature, then return that card to the battlefield tapped under its owner's control.

Whenever Magnetic Rhetorician attacks, make a pledge.

Vigilance
Whenever you attack, bless target creature.

Indulgence
Whenever you indulge, you may tap target artifact or creature. That permanent doesn't untap during its controller's next untap step.

Flying
Indulgence
Whenever you indulge, you may return target creature card from your graveyard to your hand.

Reach
If a creature you control would deal combat damage to a permanent or player, you may have it deal damage equal to your devotion to green instead.

Flash
Deathtouch
Whenever you cast a noncreature spell, return up to one target creature card from your graveyard to your hand.

Vigilance
Once each turn, if you would put one or more counters on a creature you control, you may put that many of each of those kinds of counters on each creature you control instead.

Flying
At the beginning of your end step, you may exile a card you own from outside the game. Put that card into your hand unless an opponent pays {2} and 2 life.

Vigilance
Whenever an opponent attacks with three or more creatures, you may have Eternal Sentinel become an artifact creature until end of turn.
Spellcharge 3

At the beginning of your end step, if a creature card or creature token was put into your graveyard from anywhere this turn, surveil 1.

Vigilance
When Indomitable Jicru enters, you gain 5 life and draw a card. If it wandered, creatures you control get +2/+2 until end of turn.
Wander {6}{G}{W}