mtg.wtf

{G}: Regenerate Cudgel Troll.

Gray Harbor Merfolk can't be blocked.
Gray Harbor Merfolk gets +2/+0 as long as you control a commander that's a creature or planeswalker.

Trample
When Crimson Fleet Commodore enters the battlefield, you become the monarch.

Defender

Target player mills five cards.

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Erebos.
When you sacrifice Ordeal of Erebos, target player discards two cards.

When Leonin Armorguard enters the battlefield, creatures you control get +1/+1 until end of turn.

Unless any player pays {2}, search your library for a card, put that card into your hand, then shuffle.

Lands you control have "{T}: Add one mana of any color."

When an opponent casts a creature spell, if Opal Caryatid is an enchantment, Opal Caryatid becomes a 2/2 Soldier creature.

{T}: Add {C}.
{T}: Add {R} or {G}. Mogg Hollows doesn't untap during your next untap step.

Enchant creature
As long as enchanted creature is attacking alone, it can't be blocked.
Enchanted creature has "Whenever this creature deals combat damage to a player, it connives."

When a spell or ability an opponent controls causes you to discard Metrognome, create four 1/1 colorless Gnome artifact creature tokens.
{4}, {T}: Create a 1/1 colorless Gnome artifact creature token.

target creature gets -x/-x until end of turn, where x is the number of times a capital letter appears in its rules text. (ignore reminder text and flavor text.)

Other creatures you control get +1/+1.
{3}{G}{W}: Put a +1/+1 counter on King Darien and create a 1/1 white Soldier creature token.
Sacrifice King Darien: Creature tokens you control gain hexproof and indestructible until end of turn.

Cascade
Creatures you control get +1/+0 until end of turn.

When Tomb of Horrors Adventurer enters the battlefield, you take the initiative.
Whenever you cast your second spell each turn, copy it. If you've completed a dungeon, copy that spell twice instead. You may choose new targets for the copies.

Metalcraft — Etched Champion has protection from all colors as long as you control three or more artifacts.

Trample
Whenever Thrashing Frontliner attacks a battle, it gets +1/+1 until end of turn.

{U/B}: Loch Korrigan gets +1/+1 until end of turn.

Swampwalk
Sacrifice Sewerdreg: Exile target card from a graveyard.

Landfall — Whenever a land enters the battlefield under your control, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis, the Fallen.

Flying
Cycling {2}
Embalm {3}{W}{W}

If an opponent would mill one or more cards, they mill twice that many cards instead.

Trample, ward {2}, haste
Rampaging Ursaguana gets +2/+2 for each time this creature attacked this game.
Disguise {2}{G}{G}