Catacomb Crocodile

Dross Crocodile

Plains

Glory Seeker

Silverback Ape

Rumbling Baloth

Willow Elf

Hexplate Golem

Feral Maaka

Barony Vampire

Ugin's Construct

When Ugin's Construct enters, sacrifice a permanent that's one or more colors.

Razorfield Thresher

Muck Rats

Mountain

Toy Boat

Cumulative upkeep—Say "Toy Boat" quickly. (At the beginning of your upkeep, put an age counter on Toy Boat, then sacrifice it unless you say "Toy Boat" once for each age counter on it—without pausing between or fumbling it.)

Bane Alley Blackguard

Eager Cadet

Fortress Crab

Zenith Chronicler

Whenever a player casts their first multicolored spell each turn, each other player draws a card.

Cobblebrute

Mons's Goblin Raiders

Glass Golem

Cathodion

Nessian Courser

Grizzly Bears

Colossus of Sardia

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Colossus of Sardia doesn't untap during your untap step.
{9}: Untap Colossus of Sardia. Activate only during your upkeep.

Forest

Border Guard

Swamp

Grayscaled Gharial

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)