Flash Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
Enchant creature Shroud (A permanent with shroud can’t be the target of spells or abilities.) Enchanted creature has shroud.
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
Trample Whenever Scion of Darkness deals combat damage to a player, you may put target creature card from that player’s graveyard onto the battlefield under your control. Cycling {3} ({3}, Discard this card: Draw a card.) 6/6
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.
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.)
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.
Ravenous Slime can't be blocked by creatures with power 2 or less. If a creature an opponent controls would die, instead exile it and put a number of +1/+1 counters equal to that creature's power on Ravenous Slime.
Creatures you control have flying. Creatures your opponents control lose flying and can't have or gain flying.