Spooky20

Target creature gets +3/+3 until end of turn and must be blocked this turn if able.

Bear Form — As long as it's your turn, Circle of the Moon Druid is a Bear with base power and toughness 4/2. (It loses all other creature types.)

{T}: Add {G} for each creature you control.

Target creature gets +2/+2 and gains trample until end of turn. Untap it.

At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on Bulette.

Trample Whenever Zalto, Fire Giant Duke is dealt damage, venture into the dungeon. (Enter the first room or advance to the next room.)

As long as Grand Master of Flowers has seven or more loyalty counters on him, he's a 7/7 Dragon God creature with flying and indestructible. [+1]: ...

Choose one — • Break Their Chains — Destroy target artifact. • Interrogate Them — Exile the top three cards of target opponent's library. Choose on...

You may play a card you own from outside the game this turn.

Combat Inspiration — At the beginning of combat on your turn, target creature you control gets +1/+0 until end of turn.

Trample Pack tactics — Whenever Tiger-Tribe Hunter attacks, if you attacked with creatures with total power 6 or greater this combat, you may sacri...

First strike Sacrifice an artifact: Rust Monster gets +2/+0 until end of turn.

As long as you've completed a dungeon, Gloom Stalker has double strike.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If mana from a Treasure was spent to cast...

Meteor Swarm deals 8 damage divided as you choose among X target creatures and/or planeswalkers.

Put a +1/+1 counter on target creature. That creature gains haste until end of turn and can't be blocked by Walls this turn. Venture into the dunge...

When Jaded Sell-Sword enters the battlefield, if mana from a Treasure was spent to cast it, it gains first strike and haste until end of turn.

Haste

Haste Whenever Goblin Javelineer becomes blocked, it deals 1 damage to target creature blocking it.

Flying Flameskull can't block. Rejuvenation — When Flameskull dies, exile it. If you do, exile the top card of your library. Until the end of your ...

As long as Dwarfhold Champion is equipped, it gets +0/+2.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand or choose a Dragon you control. Dragon's Fire deals 3 damage ...

Burning Hands deals 2 damage to target creature or planeswalker. If that permanent is green, Burning Hands deals 6 damage instead.