Plains

Looming Altisaur

Wave of Reckoning

Each creature deals damage to itself equal to its power.

Refuse to Yield

Target creature gets +2/+7 until end of turn. Untap it.

Yoked Ox

Marble Titan

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Kami of Old Stone

Baldin, Century Herdmaster

During your turn, each creature assigns combat damage equal to its toughness rather than its power.
Whenever Baldin attacks, up to one hundred target creatures each get +0/+X until end of turn, where X is the number of cards in your hand.

Brave the Sands

Creatures you control have vigilance.
Each creature you control can block an additional creature each combat.

Strict Proctor

Flying
Whenever a permanent entering causes a triggered ability to trigger, counter that ability unless its controller pays {2}.

Gauntlets of Light

Enchant creature
Enchanted creature gets +0/+2 and assigns combat damage equal to its toughness rather than its power.
Enchanted creature has "{2}{W}: Untap this creature."

Your Temple Is Under Attack

Choose one —
• Pray for Protection — Creatures you control gain indestructible until end of turn.
• Strike a Deal — You and target opponent each draw two cards.

Nyx-Fleece Ram

At the beginning of your upkeep, you gain 1 life.

Baffling End

When this enchantment enters, exile target creature an opponent controls with mana value 3 or less.
When this enchantment leaves the battlefield, target opponent creates a 3/3 green Dinosaur creature token with trample.

Rasaad yn Bashir

Each creature you control assigns combat damage equal to its toughness rather than its power.
Whenever Rasaad yn Bashir attacks, if you have the initiative, double the toughness of each creature you control until end of turn.
Choose a Background (You can have a Background as a second commander.)

Lagonna-Band Trailblazer

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on it.

Tocasia's Welcome

Whenever one or more creatures you control with mana value 3 or less enter, draw a card. This ability triggers only once each turn.

Smuggler's Share

At the beginning of each end step, draw a card for each opponent who drew two or more cards this turn, then create a Treasure token for each opponent who had two or more lands enter the battlefield under their control this turn.

Ensouled Scimitar

{3}: This artifact becomes a 1/5 Spirit artifact creature with flying until end of turn. (Equipment that's a creature can't equip a creature.)
Equipped creature gets +1/+5.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Slagwurm Armor

Equipped creature gets +0/+6.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

Bar the Door

Creatures you control get +0/+4 until end of turn.

Aegis of the Heavens

Target creature gets +1/+7 until end of turn.

Infiltration Lens

Whenever equipped creature becomes blocked by a creature, you may draw two cards.
Equip {1}

Oathsworn Giant

Vigilance
Other creatures you control get +0/+2 and have vigilance.

Solidarity

Creatures you control get +0/+5 until end of turn.

Stoneskin

Flash
Enchant creature
Enchanted creature gets +0/+10.

Hundred-Handed One

Vigilance
{3}{W}{W}{W}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
As long as this creature is monstrous, it has reach and can block an additional ninety-nine creatures each combat.

Windborn Muse

Flying
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Rally to Battle

Creatures you control get +1/+3 until end of turn. Untap them.

Giant Ox

This creature crews Vehicles using its toughness rather than its power.

Eland Umbra

Enchant creature
Enchanted creature gets +0/+4.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)