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

: Destroy target blocking creature at end of combat.

Whenever you gain life, target opponent loses that much life.
: Creatures you control gain lifelink until end of turn.

Whenever a creature you control with flying enters, it gains haste until end of turn.
Whenever a Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.

+2: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.
+1: Each opponent exiles two cards from their hand.
−4: Nicol Bolas deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.
−12: Exile each nonland permanent your opponents control.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Ink-Eyes deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.
: Regenerate Ink-Eyes.

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

Defender (This creature can't attack.)
: Regenerate this creature.

Whenever an Aura you control enters, if you cast it, you may search your library for an Aura card with mana value less than or equal to that Aura and with a different name than each Aura you control, put that card onto the battlefield attached to Light-Paws, then shuffle.

Kicker (You may pay an additional as you cast this spell.)
When this creature enters, if it was kicked, you may reveal cards from the top of your library until you reveal a creature card. If you do, put that card onto the battlefield and shuffle all other cards revealed this way into your library.

No more than two creatures can attack you each combat.

You may play two additional lands on each of your turns.

+1: Create three 1/1 white Soldier creature tokens.
−3: Destroy all creatures with power 4 or greater.
−7: You get an emblem with "Creatures you control get +2/+2 and have flying."

, : Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Counter target spell.

Choose a creature type. Return all creatures that aren't of the chosen type to their owners' hands.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Players can't activate planeswalkers' loyalty abilities.
At the beginning of your draw step, draw an additional card.
Spells you cast cost less to cast.
Creatures you control get +1/+1.

Landfall — Whenever a land you control enters, you may mill two cards.
, Sacrifice this enchantment: Create X 1/1 green Minion creature tokens named Moloid, where X is the number of permanent cards in your graveyard. The tokens have "Whenever this token attacks, you may mill a card." Activate only as a sorcery.