Modern Horizons 3 Commander

Flying Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

Indestructible T: Add C. 5, T: Add five mana in any combination of colors.

T: Add C. (C represents colorless mana.) T, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.

When this enchantment enters, mill ten cards. At the beginning of your upkeep, choose a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, put it into your hand.

Devoid (This card has no color.) Whenever a creature you control deals combat damage to a player, you may draw a card. 3C: Target creature can't be blocked this turn. (C represents colorless mana.)

Whenever you sacrifice a Desert and whenever a Desert card is put into your graveyard from your hand or library, put that card onto the battlefield under your control at the beginning of your next end step. At the beginning of combat on your turn, if you control five or more Deserts, create that many 1/1 red, green, and white Sand Warrior creature tokens. They gain haste.

Whenever you sacrifice a Desert and whenever a Desert card is put into your graveyard from your hand or library, put that card onto the battlefield under your control at the beginning of your next end step. At the beginning of combat on your turn, if you control five or more Deserts, create that many 1/1 red, green, and white Sand Warrior creature tokens. They gain haste.

T: Add CCC. 3, T, Sacrifice this artifact: Draw three cards.

Devoid (This card has no color.) When this creature enters, create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this token: Add C." Sacrifice an Eldrazi Scion: Tap target creature.

Flash Emerge 5UU (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, tap up to four target permanents.

Devoid (This card has no color.) 2C: Exile another target creature, then return it to the battlefield tapped under its owner's control. (C represents colorless mana.)

Devoid (This card has no color.) When you cast this spell, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain trample, haste, and annihilator 1 until end of turn. Trample, haste, annihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.)

XXG: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, create X X/X green Hydra creature tokens.

When Jyoti enters, create a 1/1 green Forest Dryad land creature token for each time you've cast your commander from the command zone this game. (They're affected by summoning sickness.) At the beginning of each combat, land creatures you control get +X/+X until end of turn, where X is Jyoti's power.

4, T: Put a fate counter on target permanent. 5, T, Sacrifice this artifact: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.

You may play lands from your graveyard.

Whenever this creature or equipped creature attacks, you get E (an energy counter), then it gets +X/+X until end of turn, where X is the amount of E you have. Reconfigure—Pay 2 or EEE. (Pay 2 or EEE: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Create a token that's a copy of target permanent you control.

This land enters tapped. T: Add C. (C represents colorless mana.) T: Put a +1/+1 counter on target colorless creature that entered this turn.

Exile X target cards from target player's graveyard. For each card exiled this way, that player loses 1 life and you gain 1 life.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) T: Add R or G.

T: Add C. 3, T: Target player mills a card for each Locus you control.

Scry X, where X is the greatest mana value among permanents you control, then draw three cards.

Draw three cards. You may play an additional land this turn.