Hoisted Hireling

This creature has flying as long as it's being held above the battlefield.

Polis Crusher

Trample, protection from enchantments
{4}{R}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
Whenever this creature deals combat damage to a player, if this creature is monstrous, destroy target enchantment that player controls.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Mountain

Damnation

Destroy all creatures. They can't be regenerated.

Volcanic Island

Boulder Rush

Target creature gets +2/+0 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Rimrock Knight

Rimrock Knight // Boulder Rush

Bigfin Bouncer

When this creature enters, return target creature an opponent controls to its owner's hand.

Boggart Brute

Menace (This creature can't be blocked except by two or more creatures.)

Knuckles the Echidna

Double strike, trample, haste
Whenever one or more creatures you control deal combat damage to a player, create a Treasure token.
Treasure Hunter — At the beginning of your upkeep, if you control thirty or more artifacts, you win the game.