Phantom Tiger enters the battlefield with two +1/+1 counters on it.
If damage would be dealt to Phantom Tiger, prevent that damage. Remove a +1/+1 counter from Phantom Tiger.

, Sacrifice Phyrexian Denouncer: Target creature gets -1/-1 until end of turn.

Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

, , Sacrifice Pit Trap: Destroy target attacking creature without flying. It can't be regenerated.

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player loses 2 life unless they pay .
Cycling (, Discard this card: Draw a card.)

Creatures you control have trample. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Enchant land
Whenever enchanted land becomes tapped, Psychic Venom deals 2 damage to that land's controller.

Haste (This creature can attack and as soon as it comes under your control.)

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Return to your hand all enchantments you both own and control, all Auras you own attached to permanents you control, and all Auras you own attached to attacking creatures your opponents control. Then destroy all other enchantments you control, all other Auras attached to permanents you control, and all other Auras attached to attacking creatures your opponents control.

Counter target creature spell.

At the beginning of each player's upkeep, if that player controls more lands than each other player, Rivalry deals 2 damage to them.

Whenever Rustmouth Ogre deals combat damage to a player, you may destroy target artifact that player controls.

Equipped creature gets +1/+1.
Whenever a creature enters the battlefield under your control, you may attach Sai of the Shinobi to it.
Equip

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
You may have Sakashima's Student enter the battlefield as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

Sandstorm deals 1 damage to each attacking creature.

Flying

When Servant of Volrath leaves the battlefield, sacrifice a creature.

Sizzle deals 3 damage to each opponent.