Obelisk of Urd
Market price
- Near Mint
- $8.31
- Lightly Played
- $5.71
- Moderately Played
- $5.34
- Heavily Played
- $6.48
- Damaged
- $3.59
- Near Mint
- $8.31
- Lightly Played
- $5.71
- Moderately Played
- $5.34
- Heavily Played
- $6.48
Buy
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Convoke
As this artifact enters, choose a creature type.
Creatures you control of the chosen type get +2/+2.
Illustrated by John Severin Brassell
Rulings (8)
Jul 18, 2014
The choice of creature type is made as Obelisk of Urd enters the battlefield. Players can't respond to this choice. The bonus starts applying immediately.
Jul 18, 2014
You must choose an existing creature type.
Jan 12, 2024
Because convoke isn't an alternative cost, it can be used in conjunction with alternative costs.
Jan 12, 2024
If a creature you control has a mana ability with 
in the cost, activating that ability while casting a spell with convoke will result in the creature being tapped before you pay the spell's costs. You won't be able to tap it again for convoke. Similarly, if you sacrifice a creature to activate a mana ability while casting a spell with convoke, that creature won't be on the battlefield when you pay the spell's costs, so you won't be able to tap it for convoke.
Jan 12, 2024
Tapping a multicolored creature using convoke will pay for 
or one mana of your choice of any of that creature's colors.
Jan 12, 2024
Tapping an untapped creature that's attacking or blocking to convoke a spell won't cause that creature to stop attacking or blocking.
Jan 12, 2024
When calculating a spell's total cost, include any alternative costs, additional costs, or anything else that increases or reduces the cost to cast the spell. Convoke applies after the total cost is calculated. Convoke doesn't change a spell's mana cost or mana value.
Jan 12, 2024
You can tap any untapped creature you control to convoke a spell, even one you haven't controlled continuously since the beginning of your most recent turn.
