Modern Horizons 3

Whenever you cast a creature spell with power 5 or greater, discover X, where X is that spell's mana value. (Exile cards from the top of your libra...

{T}: Add {G} for each Elf on the battlefield.

Landfall — Whenever a land enters the battlefield under your control, create a 0/1 green Plant creature token. If you control seven or more lands w...

Aura and Equipment spells you cast cost {X} less to cast, where X is Golden-Tail Trainer's power. Whenever Golden-Tail Trainer attacks, other modif...

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on each creature that had a +1/+1 counter put on it th...

Reach Whenever Six attacks, mill three cards. You may put a land card from among them into your hand. As long as it's your turn, nonland permanent ...

{1}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Whenever one or more +1/+1 counters are put on Evolu...

Return an Elf you control to its owner's hand: Untap target creature. Activate only once each turn.

Enchant creature Enchanted creature gets +1/+1 for each creature and/or enchantment you control.

Look at the top four cards of your library. You may put a land card from among them onto the battlefield tapped. If you don't, put a card from amon...

{2}{B}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Permanents you control have "Whenever one or more...

Enchant modified creature (Equipment, Auras its controller controls, and counters are modifications.) Enchanted creature gets +3/+3 and has vigilan...

Reach, trample Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may ...

Vigilance Faithful Watchdog enters the battlefield with three +1/+1 counters on it.

When Rosheen, Roaring Prophet enters the battlefield, mill six cards. You may put a card with {X} in its mana cost from among them into your hand. ...

Enchant modified creature (Equipment, Auras its controller controls, and counters are modifications.) Enchanted creature gets +3/+3 and has vigilan...

Other creatures have base power and toughness 2/2 and are Bears in addition to their other types.

Other creatures have base power and toughness 2/2 and are Bears in addition to their other types.

Bestow {1}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attache...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I, II, III — Create a 1/1 black and green Insect creature t...

Put a +1/+1 counter on target creature you control, then each modified creature you control deals damage equal to its power to target creature you ...

Whenever you cast a creature spell with power 5 or greater, discover X, where X is that spell's mana value. (Exile cards from the top of your libra...

{B}{G}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever Expanding Ooze attacks, put a +1/+1 counter on...

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control. If you control an Eldrazi, you ga...