When this creature enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Flash (You may cast this spell any time you could cast an instant.)
: This creature gets +1/+1 until end of turn.

When this creature enters, you may goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

, : Add .

, : Add .

Reach
Undergrowth — When this creature enters, choose up to one target creature you don't control with flying. This creature gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard, then you may have this creature fight that creature.

When this creature enters, put a +1/+1 counter on target creature.
Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Deadly Riposte deals 3 damage to target tapped creature and you gain 2 life.

, : Add .

: This creature gets +2/+2 until end of turn.

Surveil 2, then draw a card. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flying
Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Whenever a creature you control with power 4 or greater enters, this creature gets +1/+1 and gains vigilance until end of turn.

: Target player gains 1 life.
: Each player loses 1 life.

Trample
Whenever a creature you control with power 4 or greater enters, put a +1/+1 counter on this creature.

Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

Battalion — Whenever this creature and at least two other creatures attack, target creature can't block this turn.

Flying, first strike, haste

Equipped creature gets +1/+1 and has mentor. (Whenever it attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Whenever equipped creature mentors a creature, put a shield counter on that creature. (If that creature would be dealt damage or destroyed, remove a shield counter from it instead.)
Equip

, : Add .

Whenever this creature blocks or becomes blocked by a creature, this creature deals 1 damage to that creature.

Flying
When this creature enters, draw a card, then discard a card.

Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

: Create a 1/1 green Saproling creature token.
: Creatures you control get +1/+1 until end of turn.

: Adapt 4. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

Choose one or more —
• Clan Defiance deals X damage to target creature with flying.
• Clan Defiance deals X damage to target creature without flying.
• Clan Defiance deals X damage to target player or planeswalker.

Vigilance

, : Add .

Target creature you control gains myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

All creatures get -2/-2 until end of turn.

Flying
Whenever this creature deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Lifelink

: This creature gains flying until end of turn.

Flying
When this creature enters, mill four cards. You gain 1 life for each creature card milled this way. (To mill four cards, put the top four cards of your library into your graveyard.)

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever this creature attacks, target attacking creature without flying gains flying until end of turn.