Modern Horizons

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)...

Hellbent — As long as you have no cards in hand, Sliver creatures you control have "{T}: This creature deals 1 damage to target player or planeswal...

Create a 3/3 green Elephant creature token. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next ...

{T}: Untap another target snow permanent.

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

{S}: Frostwalla gets +2/+2 until end of turn. Activate only once each turn. ({S} can be paid with one mana from a snow source.)

({S} can be paid with one mana from a snow permanent.) When Arcum's Astrolabe enters the battlefield, draw a card. {1}, {T}: Add one mana of any co...

Trample, haste At the beginning of the end step, return Viashino Sandsprinter to its owner's hand. (Return it only if it's on the battlefield.) C...

Scry 2, then draw a card. Flashback {4}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Until end of turn, creatures you control get +2/+0 and gain all creature types.

Flying, vigilance

Changeling (This card is every creature type.)

Draw a card. Until end of turn, target creature gains trample and gets +1/+0 for each card you've drawn this turn.

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Scry 2, then draw a card. Flashback {4}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature Enchanted creature gets +0/+2 and assigns combat damage equal to its toughness rather than its power. Totem armor (If enchanted cr...

Counter target spell. Fateful hour — If you have 5 or less life, draw a card.

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)...

Choose creature or land. Reveal the top four cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest ...

Reach When Twin-Silk Spider enters the battlefield, create a 1/2 green Spider creature token with reach.

Target creature you control gains protection from the color of your choice until end of turn. Draw a card.

Whenever Warteye Witch or another creature you control dies, scry 1.

Outlast {2} ({2}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Other Sliver creatures you control have outlast {2}.

Changeling (This card is every creature type.) When Irregular Cohort enters the battlefield, create a 2/2 colorless Shapeshifter creature token wit...