Howl from Beyond

Target creature gets +X/+0 until end of turn.

Giant Growth

Target creature gets +3/+3 until end of turn.

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.

Forest

Swamp

Will-o'-the-Wisp

Flying (This creature can't be blocked except by creatures with flying or reach.)
{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Regrowth

Return target card from your graveyard to your hand.

Sengir Vampire

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

Force of Nature

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of your upkeep, this creature deals 8 damage to you unless you pay {G}{G}{G}{G}.

Taiga

Sol Ring

Scryb Sprites

Grizzly Bears

Jade Statue

{2}: This artifact becomes a 3/6 Golem artifact creature until end of combat. Activate only during combat.

Llanowar Elves

Berserk

Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.