Creatures can't attack you unless their controller pays for each creature they control that's attacking you.

Flying
Taborax has lifelink as long as it has five or more +1/+1 counters on it.
Whenever another nontoken creature you control dies, put a +1/+1 counter on Taborax. If that creature was a Cleric, you may draw a card. If you do, you lose 1 life.

When this enchantment enters, exile all graveyards.
Whenever a player casts a spell, counter it if a card with the same name is in a graveyard or a nontoken permanent with the same name is on the battlefield.

Exile all cards from your hand face down. At the beginning of the next end step, return those cards to your hand, then draw a card.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with ", Sacrifice this token: Add one mana of any color.")

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
: Add .

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

: If Frodo is a Citizen, it becomes a Halfling Scout with base power and toughness 2/3 and lifelink.
: If Frodo is a Scout, it becomes a Halfling Rogue with "Whenever this creature deals combat damage to a player, that player loses the game if the Ring has tempted you four or more times this game. Otherwise, the Ring tempts you."

Whenever this creature attacks, create a 2/2 green Wolf creature token that's tapped and attacking for each creature card in your graveyard.

At the beginning of each upkeep, each player exiles the top card of their library. The player who exiled the card with the greatest mana value takes an extra turn after this one. If two or more players' cards are tied for greatest, the tied players repeat this process until the tie is broken.

: Exile up to two target cards from a single graveyard.
Unlicensed Hearse's power and toughness are each equal to the number of cards exiled with it.
Crew 2

, : Exile another target creature you control. You may return that card to the battlefield under its owner's control. If you don't, at the beginning of the next end step, return that card to the battlefield under its owner's control with a vigilance counter and a lifelink counter on it.

Exile target creature. Its controller gains life equal to its power.

Menace
Assassins you control have menace.
Whenever you attack with one or more legendary creatures, you may pay . If you do, return this card from your graveyard to the battlefield tapped and attacking.

Equipped creature gets +10/+10 and loses flying.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

This land enters tapped unless you control a Swamp or a Mountain.
: Add or .

As this land enters, you may reveal a Forest or Island card from your hand. If you don't, this land enters tapped.
: Add or .

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Scry 2.
II — Put two +1/+1 counters on target creature you control.
III — Until end of turn, target creature you control gains "When this creature dies, draw two cards." Then that creature fights up to one other target creature.

Flying
Wither (This deals damage to creatures in the form of -1/-1 counters.)
Whenever this creature deals combat damage to a player, that player discards that many cards.