Atogatog

Legendary Creature — Atog (5/5)

Sacrifice an Atog creature: Atogatog gets +X/+X until end of turn, where X is the sacrificed creature's power.

Child of Alara

Legendary Creature — Avatar (6/6)

Trample
When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.

Fallaji Wayfarer

Creature — Human Scout (2/4)

Fallaji Wayfarer is all colors. This ability doesn't affect its color identity. (It can be in any deck whose commander's color identity includes green.)
Multicolored spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a multicolored spell pays for or one mana of a color that creature is.)

Fusion Elemental

Creature — Elemental (8/8)

Garth One-Eye

Legendary Creature — Human Wizard (5/5)

: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)

Glint-Eye Nephilim

Creature — Nephilim (2/2)

Whenever Glint-Eye Nephilim deals combat damage to a player, draw that many cards.
, Discard a card: Glint-Eye Nephilim gets +1/+1 until end of turn.

Jodah, the Unifier

Legendary Creature — Human Wizard (5/5)

Legendary creatures you control get +X/+X, where X is the number of legendary creatures you control.
Whenever you cast a legendary spell from your hand, exile cards from the top of your library until you exile a legendary nonland card with lesser mana value. You may cast that card without paying its mana cost. Put the rest on the bottom of your library in a random order.

Omnath, Locus of All

Legendary Creature — Phyrexian Elemental (4/4)

If you would lose unspent mana, that mana becomes black instead.
At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand.

Rukarumel, Biologist

Legendary Creature — Human Wizard (3/3)

As Rukarumel, Biologist enters the battlefield, choose a creature type.
Slivers you control and nontoken creatures you control are the chosen type in addition to their other creature types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
, : Create a 1/1 colorless Sliver creature token.

Sliver Hivelord

Legendary Creature — Sliver (5/5)

Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Sliver Legion

Legendary Creature — Sliver (7/7)

All Sliver creatures get +1/+1 for each other Sliver on the battlefield.

Sliver Overlord

Legendary Creature — Sliver Mutant (7/7)

: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle.
: Gain control of target Sliver. (This effect lasts indefinitely.)

Sliver Queen

Legendary Creature — Sliver (7/7)

: Create a 1/1 colorless Sliver creature token.

The First Sliver

Legendary Creature — Sliver (7/7)

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 of your library in a random order.)
Sliver spells you cast have cascade.

Tom Bombadil

Legendary Creature — God Bard (4/4)

As long as there are four or more lore counters among Sagas you control, Tom Bombadil has hexproof and indestructible.
Whenever the final chapter ability of a Saga you control resolves, reveal cards from the top of your library until you reveal a Saga card. Put that card onto the battlefield and the rest on the bottom of your library in a random order. This ability triggers only once each turn.

Transguild Courier

Artifact Creature — Golem (3/3)

Transguild Courier is all colors.

Yidris, Maelstrom Wielder

Legendary Creature — Ogre Wizard (5/4)

Trample
Whenever Yidris, Maelstrom Wielder deals combat damage to a player, as you cast spells from your hand this turn, they gain cascade. (When you cast the 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 of your library in a random order.)

Yore-Tiller Nephilim

Creature — Nephilim (2/2)

Whenever Yore-Tiller Nephilim attacks, return target creature card from your graveyard to the battlefield tapped and attacking.

Sergeant John Benton

Legendary Creature — Human Soldier (2/4)

Trample, haste
Share Intelligence — Whenever Sergeant John Benton deals combat damage to a player, you and that player each draw that many cards.

Abuelo, Ancestral Echo

Legendary Creature — Spirit (2/2)

Flying, ward
: Exile another target creature or artifact you control. Return it to the battlefield under its owner's control at the beginning of the next end step.