Trample

When Aetherstream Leopard enters the battlefield, you get {E} (an energy counter).

Whenever Aetherstream Leopard attacks, you may pay {E}. If you do, it gets +2/+0 until end of turn.

Trample

Cumulative upkeep {G} or {W} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Arctic Nishoba dies, you gain 2 life for each age counter on it.

Canopy Stalker must be blocked if able.

When Canopy Stalker dies, you gain 1 life for each creature that died this turn.

Forestwalk (This creature can’t be blocked as long as defending player controls a Forest.)

Whenever Cave Tiger becomes blocked by a creature, Cave Tiger gets +1/+1 until end of turn.

Forestwalk (This creature can’t be blocked as long as defending player controls a Forest.)

Other Cats you control get +1/+1 and have protection from Dogs.

Whenever one or more Cats you control deal combat damage to a player, destroy up to one target artifact or enchantment that player controls.

When Feral Prowler dies, draw a card.

When Generous Stray enters the battlefield, draw a card.

Grabby Tabby has vigilance as long as you control a stickered permanent.

Cats you control have protection from Rats. (They can’t be blocked, targeted, or dealt damage by Rats.)

At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch.

Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

Whenever Hunting Cheetah deals damage to an opponent, you may search your library for a Forest card, reveal that card, put it into your hand, then shuffle.

Whenever Initiate’s Companion deals combat damage to a player, untap target creature or land.

Forestwalk (This creature can’t be blocked as long as defending player controls a Forest.)

Whenever Jedit Ojanen of Efrava attacks or blocks, create a 2/2 green Cat Warrior creature token with forestwalk.

{G}, {T}: Put two +1/+1 counters on target creature with four or more legs.

{1}{G}{G}, {T}: Until end of turn, all creatures able to block target creature with four or more legs do so.

Vigilance, trample

When Jewel Thief enters the battlefield, create a Treasure token. (It’s an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Jungle Lion can’t block.

Whenever one or more non-Human creatures you control deal combat damage to a player, draw a card.

Flash