Make Zoo Mildly Okay Again or at Least Make Punishing Maverick Playable

Naya Rogue
G
Creature – Ape Rogue
0/1
T, Add R, G, W to your mana pool.
Naya Rogue gets +2/+1 as long as you control a Plains.
Naya Rogue can’t be blocked by creatures with power 1 or less as long as you control a Mountain.

Alpha Lion
WR
Creature – Cat
3/1
As long as you control a Forest, creatures you control have Haste.
Landfall – Whenever a land enters the battlefield under your control, this card gets +1/+1 and gains Trample until end of turn.

Lead Huntress
GR
Creature – Cat Warrior
2/2
As long as you control a Plains, spells your opponents cast that target a creature you control cost 1 more to cast.
Landfall – Whenever a land enters the battlefield under your control, target creature can’t block this turn.

The Pride
GW
Creature – Cat
1/3
As The Pride enters the battlefield, name a land card. That land loses all abilities other than mana abilities.
As long as you control a Mountian, The Pride has double strike.
Landfall – Whenever a land enters the battlefield under your control, this card gets +1/+0 until end of turn.

Mayael of Naya
WGR
3/4
Legendary Creature – Elf Shaman
As long as you control a Plains, other creatures you control get +1/+1.
As long as you control a Mountain, creatures you control have haste.
As long as you control a Forest, creatures you control have trample.

Okada, The Rainmaker
WGR
Legendary Creature – Kithkin Soldier
3/3
First Strike
Non-creature spells your opponents cast cost 1 more to cast.
Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, Okada deals 2 damage to that player and each planeswalker they control.

Naya Irrigationist
WW
2/3
Creature – Cat Cleric
If a land would be put into an opponent’s graveyard from anywhere, exile it instead.
Whenever a spell or ability an opponent controls would destroy a land you control, you may exile it. If you do, create a copy of that land.

Usurper of the Pride
RW
2/1
Creature – Cat
Vigilance
Landfall – Whenever a land enters the battlefield under your control, put a +1/+1 counter on Alpha Lion.
Whenever a Mountain enters the battlefield under your control, you may deal 1 damage to each Planeswalker an opponent controls.

Another land design that is still strictly worse than dual lands, will never replace dual lands, but might be okay in a deck here or there:

Godswood
Land – Forest Plains
TAP: Add G or W to your mana pool.
Godswood enters the battlefield tapped unless it entered the battlefield from your library.