Flying

When Liliana’s Specter enters, each opponent discards a card.

Hexproof (This creature can’t be the target of spells or abilities your opponents control.)

Whenever a creature dies, put a +1/+1 counter on Lumberknot.

Creatures you control have haste.

Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Then do it again.)

Enchant creature

Enchanted creature gets +3/+3 and has vigilance.

Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Gain control of target creature until end of turn. Put a +1/+1 counter on it and untap it. That creature gains haste until end of turn. (It can attack and {T} this turn.)

For each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.

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

Whenever Mistblade Shinobi deals combat damage to a player, you may return target creature that player controls to its owner’s hand.

When Mitotic Slime dies, create two 2/2 green Ooze creature tokens. They have “When this creature dies, create two 1/1 green Ooze creature tokens.”

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

When Mudbutton Torchrunner dies, it deals 3 damage to any target.

Devour 2 (As this enters, you may sacrifice any number of creatures. This creature enters with twice that many +1/+1 counters on it.)

At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth.

When Nest Invader enters, create a 0/1 colorless Eldrazi Spawn creature token. It has “Sacrifice this creature: Add {C}.”

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

Whenever Ninja of the Deep Hours deals combat damage to a player, you may draw a card.

When Noggle Ransacker enters, each player draws two cards, then discards a card at random.

{T}: Return two target cards from an opponent’s graveyard to their hand. Destroy target artifact or enchantment.

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.)

Whenever Okiba-Gang Shinobi deals combat damage to a player, that player discards two cards.

When Ondu Giant enters, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.