MTG

{2}{G}, {T}, Discard two cards: All lands target player controls become 3/3 creatures until end of turn. They're still lands.

{T}: Witch Hunter deals 1 damage to target player or planeswalker. {1}{W}{W}, {T}: Return target creature an opponent controls to its owner's hand.

Flying, first strike, vigilance, trample, haste, protection from black and from red

Whenever Spitting Slug blocks or becomes blocked, you may pay {1}{G}. If you do, Spitting Slug gains first strike until end of turn. Otherwise, eac...

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Return target creature card from your graveyard to the battlefield.

Serrated Arrows enters the battlefield with three arrowhead counters on it. At the beginning of your upkeep, if there are no arrowhead counters on ...

As The Rack enters the battlefield, choose an opponent. At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, whe...

Mindless Automaton enters the battlefield with two +1/+1 counters on it. {1}, Discard a card: Put a +1/+1 counter on Mindless Automaton. Remove two...

{2}, {T}, Sacrifice Grinning Totem: Search target opponent's library for a card and exile it. Then that player shuffles their library. Until the be...

Trample

If a spell or ability an opponent controls causes you to discard Dodecapod, put it onto the battlefield with two +1/+1 counters on it instead of pu...

{1}, Sacrifice a permanent: You gain 1 life.

Assault deals 2 damage to any target.

{2}, Discard a card at random: Stormbind deals 2 damage to any target.

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Whenever a player casts a black spell, you gain 1 life.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Shadowmage Infiltrator deals combat damage to a...

Icatian Javelineers enters the battlefield with a javelin counter on it. {T}, Remove a javelin counter from Icatian Javelineers: It deals 1 damage ...

Protection from black Threshold — As long as seven or more cards are in your graveyard, Mystic Enforcer gets +3/+3 and has flying.

Flying, vigilance, haste

Protection from black At the beginning of each end step, if Whirling Dervish dealt damage to an opponent this turn, put a +1/+1 counter on it.

The next time a source of your choice would deal damage to any target this turn, prevent that damage. If damage from a red source is prevented this...

Kicker {X} (You may pay an additional {X} as you cast this spell.) Saproling creatures and other Treefolk creatures get +1/+1. When Verdeloth the A...