Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.
Trample Whenever one or more creatures you control with trample deal combat damage to a player, create an X/X green Dinosaur Beast creature token with trample, where X is the amount of damage those creatures dealt to that player. 6/6
Flying Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random. 2/2
Flying Whenever Medomai the Ageless deals combat damage to a player, take an extra turn after this one. Medomai the Ageless can’t attack during extra turns. 4/4
Experiment Kraj has all activated abilities of each other creature with a +1/+1 counter on it. {T}: Put a +1/+1 counter on target creature. 4/6
{T}: Add {C}. {X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.
Whenever you activate a ninjutsu ability, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. This ability triggers only once each turn. Each creature card in your hand has ninjutsu 2UB.
Put three 1/1 green Elf Warrior creature tokens into play. Reinforce 3—3G (3G, Discard this card: Put three +1/+1 counters on target creature.)
Flying Sacrifice Judge’s Familiar: Counter target instant or sorcery spell unless its controller pays {1}.
Cathedral of War enters the battlefield tapped. Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) T: Add 1 to your mana pool.
Flying, haste This creature attacks each combat if able. At the beginning of combat on your turn, if you control a creature with power 4 or greater, you may pay {R}. If you do, return this card from your graveyard to the battlefield.
When Chittering Witch enters the battlefield, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have. 1B, Sacrifice a creature: Target creature gets -2/-2 until end of turn.
You may play Haakon, Stromgald Scourge from your graveyard, but not from anywhere else. As long as Haakon is in play, you may play Knight cards from your graveyard. When Haakon is put into a graveyard from play, you lose 2 life.